#181E7C#181E7C

#181E7C is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.9% C 0.154 H 270.5°. Best body text is #FFFFFF at 13.86:1 contrast (WCAG AA passes).

Color values

HEX	#181E7C
RGB	rgb(24, 30, 124)
HSL	hsl(236, 68%, 29%)
HSV	hsv(236, 81%, 49%)
CMYK	cmyk(80.6%, 75.8%, 0%, 51.4%)
CIE-LAB	lab(18.27, 32.89, -53.32)
CIE-LCH	lch(18.27, 62.65, 301.67°)
OKLab	oklab(30.91% 0.0013 -0.1544)
OKLCH	oklch(30.91% 0.154 270.5)
XYZ	xyz(4.4778, 2.5775, 19.3264)
Luminance	0.0258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E7C #7C7618

analogous

#18507C #181E7C #44187C

triadic

#181E7C #7C181E #1E7C18

tetradic

#181E7C #7C1850 #7C7618 #187C44

square

#181E7C #7C1850 #7C7618 #187C44

split-complementary

#181E7C #7C4418 #507C18

monochromatic

#05061A #0E1249 #181E7C #222AAF #3640D8

Accessibility & contrast

On white

13.86

#181E7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#181E7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E7C

13.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E7C	#FFFFFF	#000000	##FFFFFF
##181E7C	1.00	13.86	1.52	13.86
#FFFFFF	13.86	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317F

Deuteranopia (green-blind)

#00287A

Tritanopia (blue-blind)

#00394B

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #181e7c;
/* rgb */ color: rgb(24, 30, 124);
/* oklch */ color: oklch(30.9% 0.154 270.5);

Tailwind

colors: {
  custom: {
    50: '#685ba3',
    500: '#181e7c',
    950: '#000000',
  },
}

SCSS

$custom: #181e7c;
$custom-light: #685ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#181e7c",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 124
  },
  "hsl": {
    "h": 236.4,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.30914,
    "c": 0.15442,
    "h": 270.5
  },
  "luminance": 0.02578
}

Semantic roles & 50–950 ramp

primary

#181E7C

secondary

#B1AA3F

accent

#E03DEA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #181E7C

Body copy rendered with the generated semantic roles for this colour.

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