#182D55#182D55

#182D55 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.3% C 0.077 H 262.0°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#182D55
RGB	rgb(24, 45, 85)
HSL	hsl(219, 56%, 21%)
HSV	hsv(219, 72%, 33%)
CMYK	cmyk(71.8%, 47.1%, 0%, 66.7%)
CIE-LAB	lab(18.91, 6.72, -26.81)
CIE-LCH	lch(18.91, 27.63, 284.06°)
OKLab	oklab(30.32% -0.0108 -0.0765)
OKLCH	oklch(30.32% 0.077 262)
XYZ	xyz(2.9542, 2.7266, 8.9632)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D55 #554018

analogous

#184C55 #182D55 #221855

triadic

#182D55 #55182D #2D5518

tetradic

#182D55 #55184C #554018 #185522

square

#182D55 #55184C #554018 #185522

split-complementary

#182D55 #552218 #4C5518

monochromatic

#070D18 #0B1425 #182D55 #254685 #3360B4

Accessibility & contrast

On white

13.59

#182D55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#182D55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D55

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D55	#FFFFFF	#000000	##FFFFFF
##182D55	1.00	13.59	1.55	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3157

Deuteranopia (green-blind)

#102B54

Tritanopia (blue-blind)

#00363C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182d55;
/* rgb */ color: rgb(24, 45, 85);
/* oklch */ color: oklch(30.3% 0.077 262.0);

Tailwind

colors: {
  custom: {
    50: '#5d6585',
    500: '#182d55',
    950: '#000000',
  },
}

SCSS

$custom: #182d55;
$custom-light: #5d6585;
$custom-dark: #000000;

JSON

{
  "hex": "#182d55",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 85
  },
  "hsl": {
    "h": 219.344,
    "s": 55.963,
    "l": 21.373
  },
  "oklch": {
    "l": 0.30315,
    "c": 0.07729,
    "h": 262
  },
  "luminance": 0.02727
}

Semantic roles & 50–950 ramp

primary

#182D55

secondary

#8C713D

accent

#AB49DF

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04050B

muted

#797A7C

Preview Lab

Preview with #182D55

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

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