#182F87#182F87

#182F87 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.1% C 0.149 H 266.8°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#182F87
RGB	rgb(24, 47, 135)
HSL	hsl(228, 70%, 31%)
HSV	hsv(228, 82%, 53%)
CMYK	cmyk(82.2%, 65.2%, 0%, 47.1%)
CIE-LAB	lab(23.59, 25.80, -51.50)
CIE-LCH	lch(23.59, 57.60, 296.61°)
OKLab	oklab(35.13% -0.0084 -0.1491)
OKLCH	oklch(35.13% 0.149 266.8)
XYZ	xyz(5.7648, 3.9758, 23.3805)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F87 #877018

analogous

#186687 #182F87 #391887

triadic

#182F87 #87182F #2F8718

tetradic

#182F87 #871866 #877018 #188739

square

#182F87 #871866 #877018 #188739

split-complementary

#182F87 #873918 #668718

monochromatic

#060B1F #0F1D53 #182F87 #2141BB #3D5EDC

Accessibility & contrast

On white

11.70

#182F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#182F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F87

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F87	#FFFFFF	#000000	##FFFFFF
##182F87	1.00	11.70	1.80	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8A

Deuteranopia (green-blind)

#003385

Tritanopia (blue-blind)

#004656

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #182f87;
/* rgb */ color: rgb(24, 47, 135);
/* oklch */ color: oklch(35.1% 0.149 266.8);

Tailwind

colors: {
  custom: {
    50: '#6a67ab',
    500: '#182f87',
    950: '#000000',
  },
}

SCSS

$custom: #182f87;
$custom-light: #6a67ab;
$custom-dark: #000000;

JSON

{
  "hex": "#182f87",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 135
  },
  "hsl": {
    "h": 227.568,
    "s": 69.811,
    "l": 31.176
  },
  "oklch": {
    "l": 0.35125,
    "c": 0.1493,
    "h": 266.8
  },
  "luminance": 0.03976
}

Semantic roles & 50–950 ramp

primary

#182F87

secondary

#BBA140

accent

#C83BED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #182F87

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

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