#182C63#182C63

#182C63 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.2% C 0.101 H 265.7°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#182C63
RGB	rgb(24, 44, 99)
HSL	hsl(224, 61%, 24%)
HSV	hsv(224, 76%, 39%)
CMYK	cmyk(75.8%, 55.6%, 0%, 61.2%)
CIE-LAB	lab(19.62, 13.25, -34.94)
CIE-LCH	lch(19.62, 37.37, 290.78°)
OKLab	oklab(31.19% -0.0075 -0.1005)
OKLCH	oklch(31.19% 0.101 265.7)
XYZ	xyz(3.5287, 2.8960, 12.1750)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C63 #634F18

analogous

#185263 #182C63 #2A1863

triadic

#182C63 #63182C #2C6318

tetradic

#182C63 #631852 #634F18 #18632A

square

#182C63 #631852 #634F18 #18632A

split-complementary

#182C63 #632A18 #526318

monochromatic

#060B19 #0C1632 #182C63 #244294 #3058C6

Accessibility & contrast

On white

13.30

#182C63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#182C63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C63

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C63	#FFFFFF	#000000	##FFFFFF
##182C63	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#083365

Deuteranopia (green-blind)

#002C62

Tritanopia (blue-blind)

#003943

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #182c63;
/* rgb */ color: rgb(24, 44, 99);
/* oklch */ color: oklch(31.2% 0.101 265.7);

Tailwind

colors: {
  custom: {
    50: '#606490',
    500: '#182c63',
    950: '#000000',
  },
}

SCSS

$custom: #182c63;
$custom-light: #606490;
$custom-dark: #000000;

JSON

{
  "hex": "#182c63",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 99
  },
  "hsl": {
    "h": 224,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.31186,
    "c": 0.10074,
    "h": 265.7
  },
  "luminance": 0.02896
}

Semantic roles & 50–950 ramp

primary

#182C63

secondary

#99813E

accent

#B944E4

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#05050C

muted

#7A797D

Preview Lab

Preview with #182C63

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

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