#182F89#182F89

#182F89 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.3% C 0.152 H 266.8°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#182F89
RGB	rgb(24, 47, 137)
HSL	hsl(228, 70%, 32%)
HSV	hsv(228, 82%, 54%)
CMYK	cmyk(82.5%, 65.7%, 0%, 46.3%)
CIE-LAB	lab(23.78, 26.59, -52.44)
CIE-LCH	lch(23.78, 58.80, 296.89°)
OKLab	oklab(35.32% -0.0085 -0.1518)
OKLCH	oklch(35.32% 0.152 266.8)
XYZ	xyz(5.9070, 4.0327, 24.1291)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F89 #897218

analogous

#186889 #182F89 #3A1889

triadic

#182F89 #89182F #2F8918

tetradic

#182F89 #891868 #897218 #18893A

square

#182F89 #891868 #897218 #18893A

split-complementary

#182F89 #893A18 #688918

monochromatic

#060B21 #0F1D55 #182F89 #2141BD #3E5FDD

Accessibility & contrast

On white

11.62

#182F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#182F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F89

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F89	#FFFFFF	#000000	##FFFFFF
##182F89	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8C

Deuteranopia (green-blind)

#003387

Tritanopia (blue-blind)

#004757

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #182f89;
/* rgb */ color: rgb(24, 47, 137);
/* oklch */ color: oklch(35.3% 0.152 266.8);

Tailwind

colors: {
  custom: {
    50: '#6a67ac',
    500: '#182f89',
    950: '#000000',
  },
}

SCSS

$custom: #182f89;
$custom-light: #6a67ac;
$custom-dark: #000000;

JSON

{
  "hex": "#182f89",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 137
  },
  "hsl": {
    "h": 227.788,
    "s": 70.186,
    "l": 31.569
  },
  "oklch": {
    "l": 0.35321,
    "c": 0.15205,
    "h": 266.8
  },
  "luminance": 0.04033
}

Semantic roles & 50–950 ramp

primary

#182F89

secondary

#BDA340

accent

#C93BED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #182F89

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

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