#182C5E#182C5E

#182C5E is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.8% C 0.093 H 265.0°. Best body text is #FFFFFF at 13.45:1 contrast (WCAG AA passes).

Color values

HEX	#182C5E
RGB	rgb(24, 44, 94)
HSL	hsl(223, 59%, 23%)
HSV	hsv(223, 74%, 37%)
CMYK	cmyk(74.5%, 53.2%, 0%, 63.1%)
CIE-LAB	lab(19.24, 11.18, -32.26)
CIE-LCH	lch(19.24, 34.14, 289.10°)
OKLab	oklab(30.77% -0.0081 -0.0926)
OKLCH	oklch(30.77% 0.093 265)
XYZ	xyz(3.2970, 2.8034, 10.9549)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C5E #5E4A18

analogous

#184F5E #182C5E #27185E

triadic

#182C5E #5E182C #2C5E18

tetradic

#182C5E #5E184F #5E4A18 #185E27

square

#182C5E #5E184F #5E4A18 #185E27

split-complementary

#182C5E #5E2718 #4F5E18

monochromatic

#060B18 #0C152D #182C5E #24438F #315AC0

Accessibility & contrast

On white

13.45

#182C5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#182C5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C5E

13.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C5E	#FFFFFF	#000000	##FFFFFF
##182C5E	1.00	13.45	1.56	13.45
#FFFFFF	13.45	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F3260

Deuteranopia (green-blind)

#002C5D

Tritanopia (blue-blind)

#003840

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #182c5e;
/* rgb */ color: rgb(24, 44, 94);
/* oklch */ color: oklch(30.8% 0.093 265.0);

Tailwind

colors: {
  custom: {
    50: '#5f648c',
    500: '#182c5e',
    950: '#000000',
  },
}

SCSS

$custom: #182c5e;
$custom-light: #5f648c;
$custom-dark: #000000;

JSON

{
  "hex": "#182c5e",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 94
  },
  "hsl": {
    "h": 222.857,
    "s": 59.322,
    "l": 23.137
  },
  "oklch": {
    "l": 0.30771,
    "c": 0.09295,
    "h": 265
  },
  "luminance": 0.02804
}

Semantic roles & 50–950 ramp

primary

#182C5E

secondary

#947C3D

accent

#B645E3

background

#F5F5F8

surface

#EAEAF0

border

#C6C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #182C5E

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

Preview Lab → · Contrast checker → · Palette generator →