#181B76#181B76

#181B76 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.8% C 0.150 H 271.4°. Best body text is #FFFFFF at 14.41:1 contrast (WCAG AA passes).

Color values

HEX	#181B76
RGB	rgb(24, 27, 118)
HSL	hsl(238, 66%, 28%)
HSV	hsv(238, 80%, 46%)
CMYK	cmyk(79.7%, 77.1%, 0%, 53.7%)
CIE-LAB	lab(16.92, 32.56, -51.70)
CIE-LCH	lch(16.92, 61.10, 302.21°)
OKLab	oklab(29.75% 0.0036 -0.1497)
OKLCH	oklch(29.75% 0.15 271.4)
XYZ	xyz(4.0375, 2.2856, 17.3644)
Luminance	0.0229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181B76 #767318

analogous

#184A76 #181B76 #441876

triadic

#181B76 #76181B #1B7618

tetradic

#181B76 #76184A #767318 #187644

square

#181B76 #76184A #767318 #187644

split-complementary

#181B76 #764418 #4A7618

monochromatic

#050619 #0E0F43 #181B76 #2227A9 #3338D5

Accessibility & contrast

On white

14.41

#181B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#181B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181B76

14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181B76	#FFFFFF	#000000	##FFFFFF
##181B76	1.00	14.41	1.46	14.41
#FFFFFF	14.41	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E79

Deuteranopia (green-blind)

#002574

Tritanopia (blue-blind)

#003547

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #181b76;
/* rgb */ color: rgb(24, 27, 118);
/* oklch */ color: oklch(29.8% 0.150 271.4);

Tailwind

colors: {
  custom: {
    50: '#67589f',
    500: '#181b76',
    950: '#000000',
  },
}

SCSS

$custom: #181b76;
$custom-light: #67589f;
$custom-dark: #000000;

JSON

{
  "hex": "#181b76",
  "rgb": {
    "r": 24,
    "g": 27,
    "b": 118
  },
  "hsl": {
    "h": 238.085,
    "s": 66.197,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29754,
    "c": 0.14972,
    "h": 271.4
  },
  "luminance": 0.02286
}

Semantic roles & 50–950 ramp

primary

#181B76

secondary

#ABA83F

accent

#E43FE9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030F

muted

#7A787E

Preview Lab

Preview with #181B76

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

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