#181D67#181D67

#181D67 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.4% C 0.127 H 272.1°. Best body text is #FFFFFF at 14.89:1 contrast (WCAG AA passes).

Color values

HEX	#181D67
RGB	rgb(24, 29, 103)
HSL	hsl(236, 62%, 25%)
HSV	hsv(236, 77%, 40%)
CMYK	cmyk(76.7%, 71.8%, 0%, 59.6%)
CIE-LAB	lab(15.76, 25.63, -43.86)
CIE-LCH	lch(15.76, 50.80, 300.29°)
OKLab	oklab(28.43% 0.0048 -0.1268)
OKLCH	oklch(28.43% 0.127 272.1)
XYZ	xyz(3.2634, 2.0519, 13.0534)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181D67 #676218

analogous

#184467 #181D67 #3B1867

triadic

#181D67 #67181D #1D6718

tetradic

#181D67 #671844 #676218 #18673B

square

#181D67 #671844 #676218 #18673B

split-complementary

#181D67 #673B18 #446718

monochromatic

#060719 #0C0F35 #181D67 #242B99 #2F39CA

Accessibility & contrast

On white

14.89

#181D67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#181D67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181D67

14.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181D67	#FFFFFF	#000000	##FFFFFF
##181D67	1.00	14.89	1.41	14.89
#FFFFFF	14.89	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B69

Deuteranopia (green-blind)

#002466

Tritanopia (blue-blind)

#00313F

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #181d67;
/* rgb */ color: rgb(24, 29, 103);
/* oklch */ color: oklch(28.4% 0.127 272.1);

Tailwind

colors: {
  custom: {
    50: '#635993',
    500: '#181d67',
    950: '#000000',
  },
}

SCSS

$custom: #181d67;
$custom-light: #635993;
$custom-dark: #000000;

JSON

{
  "hex": "#181d67",
  "rgb": {
    "r": 24,
    "g": 29,
    "b": 103
  },
  "hsl": {
    "h": 236.203,
    "s": 62.205,
    "l": 24.902
  },
  "oklch": {
    "l": 0.28428,
    "c": 0.12693,
    "h": 272.1
  },
  "luminance": 0.02052
}

Semantic roles & 50–950 ramp

primary

#181D67

secondary

#9D973E

accent

#DB43E5

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181D67

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

Preview Lab → · Contrast checker → · Palette generator →