#181A65#181A65

#181A65 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.7% C 0.128 H 273.1°. Best body text is #FFFFFF at 15.28:1 contrast (WCAG AA passes).

Color values

HEX	#181A65
RGB	rgb(24, 26, 101)
HSL	hsl(238, 62%, 25%)
HSV	hsv(238, 76%, 40%)
CMYK	cmyk(76.2%, 74.3%, 0%, 60.4%)
CIE-LAB	lab(14.80, 26.88, -44.12)
CIE-LCH	lch(14.80, 51.66, 301.36°)
OKLab	oklab(27.68% 0.007 -0.1276)
OKLCH	oklch(27.68% 0.128 273.1)
XYZ	xyz(3.0943, 1.8723, 12.5077)
Luminance	0.0187 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181A65 #656318

analogous

#184065 #181A65 #3D1865

triadic

#181A65 #65181A #1A6518

tetradic

#181A65 #651840 #656318 #18653D

square

#181A65 #651840 #656318 #18653D

split-complementary

#181A65 #653D18 #406518

monochromatic

#060619 #0C0D34 #181A65 #242796 #3033C8

Accessibility & contrast

On white

15.28

#181A65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#181A65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181A65

15.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181A65	#FFFFFF	#000000	##FFFFFF
##181A65	1.00	15.28	1.37	15.28
#FFFFFF	15.28	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002967

Deuteranopia (green-blind)

#002264

Tritanopia (blue-blind)

#002F3D

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #181a65;
/* rgb */ color: rgb(24, 26, 101);
/* oklch */ color: oklch(27.7% 0.128 273.1);

Tailwind

colors: {
  custom: {
    50: '#625792',
    500: '#181a65',
    950: '#000000',
  },
}

SCSS

$custom: #181a65;
$custom-light: #625792;
$custom-dark: #000000;

JSON

{
  "hex": "#181a65",
  "rgb": {
    "r": 24,
    "g": 26,
    "b": 101
  },
  "hsl": {
    "h": 238.442,
    "s": 61.6,
    "l": 24.51
  },
  "oklch": {
    "l": 0.27675,
    "c": 0.12777,
    "h": 273.1
  },
  "luminance": 0.01873
}

Semantic roles & 50–950 ramp

primary

#181A65

secondary

#9B993E

accent

#E143E5

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181A65

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

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