#182B8D#182B8D

#182B8D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.0% C 0.162 H 267.7°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#182B8D
RGB	rgb(24, 43, 141)
HSL	hsl(230, 71%, 32%)
HSV	hsv(230, 83%, 55%)
CMYK	cmyk(83%, 69.5%, 0%, 44.7%)
CIE-LAB	lab(23.15, 30.85, -55.97)
CIE-LCH	lch(23.15, 63.91, 298.86°)
OKLab	oklab(34.98% -0.0066 -0.1621)
OKLCH	oklch(34.98% 0.162 267.7)
XYZ	xyz(6.0466, 3.8443, 25.6175)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B8D #8D7A18

analogous

#18668D #182B8D #3F188D

triadic

#182B8D #8D182B #2B8D18

tetradic

#182B8D #8D1866 #8D7A18 #188D3F

square

#182B8D #8D1866 #8D7A18 #188D3F

split-complementary

#182B8D #8D3F18 #668D18

monochromatic

#060B24 #0F1B59 #182B8D #213BC1 #415ADF

Accessibility & contrast

On white

11.87

#182B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#182B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B8D

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B8D	#FFFFFF	#000000	##FFFFFF
##182B8D	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D90

Deuteranopia (green-blind)

#00328B

Tritanopia (blue-blind)

#004658

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #182b8d;
/* rgb */ color: rgb(24, 43, 141);
/* oklch */ color: oklch(35.0% 0.162 267.7);

Tailwind

colors: {
  custom: {
    50: '#6c64af',
    500: '#182b8d',
    950: '#000000',
  },
}

SCSS

$custom: #182b8d;
$custom-light: #6c64af;
$custom-dark: #000000;

JSON

{
  "hex": "#182b8d",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 141
  },
  "hsl": {
    "h": 230.256,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.34979,
    "c": 0.16228,
    "h": 267.7
  },
  "luminance": 0.03845
}

Semantic roles & 50–950 ramp

primary

#182B8D

secondary

#BFAB42

accent

#D13AEE

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080511

muted

#7B7A80

Preview Lab

Preview with #182B8D

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

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