#00318d

Color #00318d

A vivid, highly saturated dark blue.

Closest named color Midnight Blue #191970 · ΔE 11.49 Nearest Tailwind class blue-900 #1c398e · ΔE 2.6

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#00318d

RGB

rgb(0, 49, 141)

HSL

hsl(219.1, 100%, 27.6%)

HSV / HSB

hsv(219.1, 100%, 55.3%)

CMYK

cmyk(100%, 65.2%, 0%, 44.7%)

LAB

lab(24.06, 25.35, -54.5)

LCH

lch(24.06, 60.11, 294.94)

OKLCH

oklch(35.5%, 0.1598, 261.65)

HWB

hwb(219.1, 0%, 44.7%)

Harmony colors

Complementary

#8d5c00

Analogous

#00778d

#00318d

#15008d

Triadic

#00318d

#8d0031

#318d00

Split-complementary

#00318d

#8d1500

#778d00

Tetradic

#00318d

#5c008d

#8d5c00

#318d00

Square

#00318d

#8d0077

#8d5c00

#008d15

Shades

Color #00318d mixed toward black.

#002975

#00215e

#001946

#00102f

#000817

Tints

Color #00318d mixed toward white.

#0046ca

#095fff

#4687ff

#84afff

#c1d7ff

Tones

Color #00318d mixed toward gray.

#0c3581

#173875

#233c6a

#2f3f5e

#3b4352

Accessibility

Aa White text on this color

11.51:1

Aa Black text on this color

1.82:1

White text reads better on this background (11.51:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1e1f7e · ΔE 6.4

Deuteranopia

#1c187a · ΔE 8

Tritanopia

#05716e · ΔE 35

Achromatopsia

#393939 · ΔE 25.7

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #00318d;

Tailwind (arbitrary value)

bg-[#00318d]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#00318d (#00318d) is rgb(0, 49, 141) in RGB.

No, #00318d is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #00318d, or check how it holds up for accessibility.

Generate a palette → Check contrast