#123975

Color #123975

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 16.96 Nearest Tailwind class blue-900 #1c398e · ΔE 4.5

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

Conversions

HEX

#123975

RGB

rgb(18, 57, 117)

HSL

hsl(216.4, 73.3%, 26.5%)

HSV / HSB

hsv(216.4, 84.6%, 45.9%)

CMYK

cmyk(84.6%, 51.3%, 0%, 54.1%)

LAB

lab(24.76, 10.68, -38.26)

LCH

lch(24.76, 39.72, 285.6)

OKLCH

oklch(35.5%, 0.1121, 259.15)

HWB

hwb(216.4, 7.1%, 54.1%)

Harmony colors

Complementary

#754e12

Analogous

#126b75

#123975

#1d1275

Triadic

#123975

#751239

#397512

Split-complementary

#123975

#751d12

#6b7512

Tetradic

#123975

#4e1275

#754e12

#397512

Square

#123975

#75126b

#754e12

#12751d

Shades

Color #123975 mixed toward black.

#0f3062

#0c264e

#091d3b

#061327

#030a14

Tints

Color #123975 mixed toward white.

#1a53ab

#266fde

#5d93e6

#93b7ee

#c9dbf7

Tones

Color #123975 mixed toward gray.

#1a3b6d

#233d65

#2b3e5c

#334054

#3b424c

Accessibility

Aa White text on this color

11.24:1

Aa Black text on this color

1.87:1

White text reads better on this background (11.24:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#28286a · ΔE 8.1

Deuteranopia

#262367 · ΔE 9.4

Tritanopia

#16615e · ΔE 27.9

Achromatopsia

#3b3b3b · ΔE 21.2

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

Code

CSS

background-color: #123975;

Tailwind (arbitrary value)

bg-[#123975]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#123975 (#123975) is rgb(18, 57, 117) in RGB.

No, #123975 is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #123975, or check how it holds up for accessibility.

Generate a palette → Check contrast