#182F63#182F63

#182F63 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.9% C 0.097 H 263.8°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#182F63
RGB	rgb(24, 47, 99)
HSL	hsl(222, 61%, 24%)
HSV	hsv(222, 76%, 39%)
CMYK	cmyk(75.8%, 52.5%, 0%, 61.2%)
CIE-LAB	lab(20.55, 11.07, -33.44)
CIE-LCH	lch(20.55, 35.23, 288.32°)
OKLab	oklab(31.89% -0.0104 -0.096)
OKLCH	oklch(31.89% 0.097 263.8)
XYZ	xyz(3.6445, 3.1277, 12.2136)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F63 #634C18

analogous

#185563 #182F63 #271863

triadic

#182F63 #63182F #2F6318

tetradic

#182F63 #631855 #634C18 #186327

square

#182F63 #631855 #634C18 #186327

split-complementary

#182F63 #632718 #556318

monochromatic

#060C19 #0C1832 #182F63 #244694 #305EC6

Accessibility & contrast

On white

12.92

#182F63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#182F63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F63

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F63	#FFFFFF	#000000	##FFFFFF
##182F63	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#113565

Deuteranopia (green-blind)

#002E62

Tritanopia (blue-blind)

#003B44

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #182f63;
/* rgb */ color: rgb(24, 47, 99);
/* oklch */ color: oklch(31.9% 0.097 263.8);

Tailwind

colors: {
  custom: {
    50: '#606790',
    500: '#182f63',
    950: '#000000',
  },
}

SCSS

$custom: #182f63;
$custom-light: #606790;
$custom-dark: #000000;

JSON

{
  "hex": "#182f63",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 99
  },
  "hsl": {
    "h": 221.6,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.3189,
    "c": 0.09656,
    "h": 263.8
  },
  "luminance": 0.03128
}

Semantic roles & 50–950 ramp

primary

#182F63

secondary

#997D3E

accent

#B344E4

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #182F63

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

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