#182A50#182A50

#182A50 is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.2% C 0.073 H 263.5°. Best body text is #FFFFFF at 14.13:1 contrast (WCAG AA passes).

Color values

HEX	#182A50
RGB	rgb(24, 42, 80)
HSL	hsl(221, 54%, 20%)
HSV	hsv(221, 70%, 31%)
CMYK	cmyk(70%, 47.5%, 0%, 68.6%)
CIE-LAB	lab(17.59, 6.85, -25.55)
CIE-LCH	lch(17.59, 26.46, 285.00°)
OKLab	oklab(29.19% -0.0084 -0.0729)
OKLCH	oklch(29.19% 0.073 263.5)
XYZ	xyz(2.6521, 2.4291, 7.9170)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A50 #503E18

analogous

#184650 #182A50 #221850

triadic

#182A50 #50182A #2A5018

tetradic

#182A50 #501846 #503E18 #185022

square

#182A50 #501846 #503E18 #185022

split-complementary

#182A50 #502218 #465018

monochromatic

#070C18 #0A1121 #182A50 #26437F #345BAE

Accessibility & contrast

On white

14.13

#182A50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#182A50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A50

14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A50	#FFFFFF	#000000	##FFFFFF
##182A50	1.00	14.13	1.49	14.13
#FFFFFF	14.13	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182E51

Deuteranopia (green-blind)

#10294F

Tritanopia (blue-blind)

#003339

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #182a50;
/* rgb */ color: rgb(24, 42, 80);
/* oklch */ color: oklch(29.2% 0.073 263.5);

Tailwind

colors: {
  custom: {
    50: '#5c6381',
    500: '#182a50',
    950: '#000000',
  },
}

SCSS

$custom: #182a50;
$custom-light: #5c6381;
$custom-dark: #000000;

JSON

{
  "hex": "#182a50",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 80
  },
  "hsl": {
    "h": 220.714,
    "s": 53.846,
    "l": 20.392
  },
  "oklch": {
    "l": 0.29189,
    "c": 0.07338,
    "h": 263.5
  },
  "luminance": 0.02429
}

Semantic roles & 50–950 ramp

primary

#182A50

secondary

#876F3D

accent

#AE4BDD

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #182A50

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

Preview Lab → · Contrast checker → · Palette generator →