#182A5C#182A5C

#182A5C is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.1% C 0.093 H 266.1°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#182A5C
RGB	rgb(24, 42, 92)
HSL	hsl(224, 59%, 23%)
HSV	hsv(224, 74%, 36%)
CMYK	cmyk(73.9%, 54.3%, 0%, 63.9%)
CIE-LAB	lab(18.46, 11.81, -32.19)
CIE-LCH	lch(18.46, 34.29, 290.15°)
OKLab	oklab(30.13% -0.0063 -0.0924)
OKLCH	oklch(30.13% 0.093 266.1)
XYZ	xyz(3.1357, 2.6225, 10.4641)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A5C #5C4A18

analogous

#184C5C #182A5C #28185C

triadic

#182A5C #5C182A #2A5C18

tetradic

#182A5C #5C184C #5C4A18 #185C28

square

#182A5C #5C184C #5C4A18 #185C28

split-complementary

#182A5C #5C2818 #4C5C18

monochromatic

#060B18 #0B142B #182A5C #25408D #3156BD

Accessibility & contrast

On white

13.77

#182A5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#182A5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A5C

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A5C	#FFFFFF	#000000	##FFFFFF
##182A5C	1.00	13.77	1.52	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C305E

Deuteranopia (green-blind)

#002A5B

Tritanopia (blue-blind)

#00363E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182a5c;
/* rgb */ color: rgb(24, 42, 92);
/* oklch */ color: oklch(30.1% 0.093 266.1);

Tailwind

colors: {
  custom: {
    50: '#5e638a',
    500: '#182a5c',
    950: '#000000',
  },
}

SCSS

$custom: #182a5c;
$custom-light: #5e638a;
$custom-dark: #000000;

JSON

{
  "hex": "#182a5c",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 92
  },
  "hsl": {
    "h": 224.118,
    "s": 58.621,
    "l": 22.745
  },
  "oklch": {
    "l": 0.30133,
    "c": 0.09263,
    "h": 266.1
  },
  "luminance": 0.02623
}

Semantic roles & 50–950 ramp

primary

#182A5C

secondary

#937C3D

accent

#B946E2

background

#F5F5F8

surface

#EAEAF0

border

#C6C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #182A5C

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

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