#182B52#182B52

#182B52 is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.6% C 0.075 H 263.0°. Best body text is #FFFFFF at 13.94:1 contrast (WCAG AA passes).

Color values

HEX	#182B52
RGB	rgb(24, 43, 82)
HSL	hsl(220, 55%, 21%)
HSV	hsv(220, 71%, 32%)
CMYK	cmyk(70.7%, 47.6%, 0%, 67.8%)
CIE-LAB	lab(18.06, 6.94, -26.16)
CIE-LCH	lch(18.06, 27.07, 284.85°)
OKLab	oklab(29.59% -0.0091 -0.0747)
OKLCH	oklch(29.59% 0.075 263)
XYZ	xyz(2.7630, 2.5309, 8.3239)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B52 #523F18

analogous

#184852 #182B52 #221852

triadic

#182B52 #52182B #2B5218

tetradic

#182B52 #521848 #523F18 #185222

square

#182B52 #521848 #523F18 #185222

split-complementary

#182B52 #522218 #485218

monochromatic

#070C18 #0A1223 #182B52 #264481 #345DB1

Accessibility & contrast

On white

13.94

#182B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#182B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B52

13.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B52	#FFFFFF	#000000	##FFFFFF
##182B52	1.00	13.94	1.51	13.94
#FFFFFF	13.94	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#192F53

Deuteranopia (green-blind)

#0F2A51

Tritanopia (blue-blind)

#00343A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #182b52;
/* rgb */ color: rgb(24, 43, 82);
/* oklch */ color: oklch(29.6% 0.075 263.0);

Tailwind

colors: {
  custom: {
    50: '#5c6383',
    500: '#182b52',
    950: '#000000',
  },
}

SCSS

$custom: #182b52;
$custom-light: #5c6383;
$custom-dark: #000000;

JSON

{
  "hex": "#182b52",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 82
  },
  "hsl": {
    "h": 220.345,
    "s": 54.717,
    "l": 20.784
  },
  "oklch": {
    "l": 0.2959,
    "c": 0.07522,
    "h": 263
  },
  "luminance": 0.02531
}

Semantic roles & 50–950 ramp

primary

#182B52

secondary

#89703D

accent

#AD4ADE

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050A

muted

#79797C

Preview Lab

Preview with #182B52

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

Preview Lab → · Contrast checker → · Palette generator →