#182E52#182E52

#182E52 is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.4% C 0.071 H 259.8°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#182E52
RGB	rgb(24, 46, 82)
HSL	hsl(217, 55%, 21%)
HSV	hsv(217, 71%, 32%)
CMYK	cmyk(70.7%, 43.9%, 0%, 67.8%)
CIE-LAB	lab(19.04, 4.76, -24.59)
CIE-LCH	lch(19.04, 25.05, 280.95°)
OKLab	oklab(30.35% -0.0126 -0.07)
OKLCH	oklch(30.35% 0.071 259.8)
XYZ	xyz(2.8761, 2.7571, 8.3616)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E52 #523C18

analogous

#184B52 #182E52 #1F1852

triadic

#182E52 #52182E #2E5218

tetradic

#182E52 #52184B #523C18 #18521F

square

#182E52 #52184B #523C18 #18521F

split-complementary

#182E52 #521F18 #4B5218

monochromatic

#070D18 #0A1323 #182E52 #264981 #3463B1

Accessibility & contrast

On white

13.54

#182E52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#182E52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E52

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E52	#FFFFFF	#000000	##FFFFFF
##182E52	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E3153

Deuteranopia (green-blind)

#152C51

Tritanopia (blue-blind)

#00363C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182e52;
/* rgb */ color: rgb(24, 46, 82);
/* oklch */ color: oklch(30.4% 0.071 259.8);

Tailwind

colors: {
  custom: {
    50: '#5c6683',
    500: '#182e52',
    950: '#000000',
  },
}

SCSS

$custom: #182e52;
$custom-light: #5c6683;
$custom-dark: #000000;

JSON

{
  "hex": "#182e52",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 82
  },
  "hsl": {
    "h": 217.241,
    "s": 54.717,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30351,
    "c": 0.07114,
    "h": 259.8
  },
  "luminance": 0.02757
}

Semantic roles & 50–950 ramp

primary

#182E52

secondary

#896C3D

accent

#A64ADE

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04050A

muted

#797A7C

Preview Lab

Preview with #182E52

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

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