#1f127b

Color #1f127b

A vivid, highly saturated dark blue.

Closest named color Midnight Blue #191970 · ΔE 10.33 Nearest Tailwind class violet-950 #2f0d68 · ΔE 4.2

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

Conversions

HEX

#1f127b

RGB

rgb(31, 18, 123)

HSL

hsl(247.4, 74.5%, 27.6%)

HSV / HSB

hsv(247.4, 85.4%, 48.2%)

CMYK

cmyk(74.8%, 85.4%, 0%, 51.8%)

LAB

lab(16.27, 39.81, -55.96)

LCH

lch(16.27, 68.68, 305.43)

OKLCH

oklch(29.6%, 0.1625, 275.44)

HWB

hwb(247.4, 7.1%, 51.8%)

Harmony colors

Complementary

#6e7b12

Analogous

#12397b

#1f127b

#53127b

Triadic

#1f127b

#7b1f12

#127b1f

Split-complementary

#1f127b

#7b5312

#397b12

Tetradic

#1f127b

#7b126e

#6e7b12

#127b1f

Square

#1f127b

#7b1239

#6e7b12

#127b53

Shades

Color #1f127b mixed toward black.

#1a0f66

#150c52

#0f093d

#0a0629

#050314

Tints

Color #1f127b mixed toward white.

#2c1ab1

#3f28e0

#6f5ee7

#9f94ef

#cfc9f7

Tones

Color #1f127b mixed toward gray.

#251b72

#2c2369

#332c61

#393558

#403e4f

Accessibility

Aa White text on this color

14.68:1

Aa Black text on this color

1.43:1

White text reads better on this background (14.68:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1a1a6d · ΔE 3.4

Deuteranopia

#1b1c69 · ΔE 4.4

Tritanopia

#1e5f5c · ΔE 34.9

Achromatopsia

#282828 · ΔE 27.1

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

Code

CSS

background-color: #1f127b;

Tailwind (arbitrary value)

bg-[#1f127b]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#1f127b (#1f127b) is rgb(31, 18, 123) in RGB.

No, #1f127b 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 #1f127b, or check how it holds up for accessibility.

Generate a palette → Check contrast