#181A74#181A74

#181A74 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.4% C 0.148 H 271.7°. Best body text is #FFFFFF at 14.60:1 contrast (WCAG AA passes).

Color values

HEX	#181A74
RGB	rgb(24, 26, 116)
HSL	hsl(239, 66%, 27%)
HSV	hsv(239, 79%, 45%)
CMYK	cmyk(79.3%, 77.6%, 0%, 54.5%)
CIE-LAB	lab(16.47, 32.45, -51.15)
CIE-LCH	lch(16.47, 60.58, 302.39°)
OKLab	oklab(29.37% 0.0044 -0.1481)
OKLCH	oklch(29.37% 0.148 271.7)
XYZ	xyz(3.8974, 2.1935, 16.7376)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181A74 #747218

analogous

#184874 #181A74 #441874

triadic

#181A74 #74181A #1A7418

tetradic

#181A74 #741848 #747218 #187444

square

#181A74 #741848 #747218 #187444

split-complementary

#181A74 #744418 #487418

monochromatic

#050619 #0E0F41 #181A74 #2225A7 #3235D5

Accessibility & contrast

On white

14.60

#181A74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#181A74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181A74

14.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181A74	#FFFFFF	#000000	##FFFFFF
##181A74	1.00	14.60	1.44	14.60
#FFFFFF	14.60	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D77

Deuteranopia (green-blind)

#002472

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #181a74;
/* rgb */ color: rgb(24, 26, 116);
/* oklch */ color: oklch(29.4% 0.148 271.7);

Tailwind

colors: {
  custom: {
    50: '#67589d',
    500: '#181a74',
    950: '#000000',
  },
}

SCSS

$custom: #181a74;
$custom-light: #67589d;
$custom-dark: #000000;

JSON

{
  "hex": "#181a74",
  "rgb": {
    "r": 24,
    "g": 26,
    "b": 116
  },
  "hsl": {
    "h": 238.696,
    "s": 65.714,
    "l": 27.451
  },
  "oklch": {
    "l": 0.29367,
    "c": 0.14815,
    "h": 271.7
  },
  "luminance": 0.02194
}

Semantic roles & 50–950 ramp

primary

#181A74

secondary

#A9A73F

accent

#E53FE9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #181A74

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

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