#182D63#182D63

#182D63 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.4% C 0.099 H 265.1°. Best body text is #FFFFFF at 13.17:1 contrast (WCAG AA passes).

Color values

HEX	#182D63
RGB	rgb(24, 45, 99)
HSL	hsl(223, 61%, 24%)
HSV	hsv(223, 76%, 39%)
CMYK	cmyk(75.8%, 54.5%, 0%, 61.2%)
CIE-LAB	lab(19.93, 12.53, -34.44)
CIE-LCH	lch(19.93, 36.65, 289.99°)
OKLab	oklab(31.42% -0.0084 -0.099)
OKLCH	oklch(31.42% 0.099 265.1)
XYZ	xyz(3.5664, 2.9714, 12.1876)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D63 #634E18

analogous

#185363 #182D63 #291863

triadic

#182D63 #63182D #2D6318

tetradic

#182D63 #631853 #634E18 #186329

square

#182D63 #631853 #634E18 #186329

split-complementary

#182D63 #632918 #536318

monochromatic

#060B19 #0C1732 #182D63 #244394 #305AC6

Accessibility & contrast

On white

13.17

#182D63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#182D63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D63

13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D63	#FFFFFF	#000000	##FFFFFF
##182D63	1.00	13.17	1.59	13.17
#FFFFFF	13.17	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B3465

Deuteranopia (green-blind)

#002D62

Tritanopia (blue-blind)

#003A43

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #182d63;
/* rgb */ color: rgb(24, 45, 99);
/* oklch */ color: oklch(31.4% 0.099 265.1);

Tailwind

colors: {
  custom: {
    50: '#606590',
    500: '#182d63',
    950: '#000000',
  },
}

SCSS

$custom: #182d63;
$custom-light: #606590;
$custom-dark: #000000;

JSON

{
  "hex": "#182d63",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 99
  },
  "hsl": {
    "h": 223.2,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.31418,
    "c": 0.09934,
    "h": 265.1
  },
  "luminance": 0.02972
}

Semantic roles & 50–950 ramp

primary

#182D63

secondary

#99803E

accent

#B744E4

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05050C

muted

#7A7A7D

Preview Lab

Preview with #182D63

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

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