#182B75#182B75

#182B75 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.6% C 0.129 H 267.5°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#182B75
RGB	rgb(24, 43, 117)
HSL	hsl(228, 66%, 28%)
HSV	hsv(228, 79%, 46%)
CMYK	cmyk(79.5%, 63.2%, 0%, 54.1%)
CIE-LAB	lab(20.85, 21.38, -44.60)
CIE-LCH	lch(20.85, 49.46, 295.61°)
OKLab	oklab(32.58% -0.0057 -0.1289)
OKLCH	oklch(32.58% 0.129 267.5)
XYZ	xyz(4.4503, 3.2058, 17.2104)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B75 #756218

analogous

#185975 #182B75 #341875

triadic

#182B75 #75182B #2B7518

tetradic

#182B75 #751859 #756218 #187534

square

#182B75 #751859 #756218 #187534

split-complementary

#182B75 #753418 #597518

monochromatic

#050919 #0E1842 #182B75 #223EA8 #3254D5

Accessibility & contrast

On white

12.80

#182B75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#182B75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B75

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B75	#FFFFFF	#000000	##FFFFFF
##182B75	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003777

Deuteranopia (green-blind)

#002E74

Tritanopia (blue-blind)

#003E4B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #182b75;
/* rgb */ color: rgb(24, 43, 117);
/* oklch */ color: oklch(32.6% 0.129 267.5);

Tailwind

colors: {
  custom: {
    50: '#65649d',
    500: '#182b75',
    950: '#000000',
  },
}

SCSS

$custom: #182b75;
$custom-light: #65649d;
$custom-dark: #000000;

JSON

{
  "hex": "#182b75",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 117
  },
  "hsl": {
    "h": 227.742,
    "s": 65.957,
    "l": 27.647
  },
  "oklch": {
    "l": 0.32584,
    "c": 0.12901,
    "h": 267.5
  },
  "luminance": 0.03206
}

Semantic roles & 50–950 ramp

primary

#182B75

secondary

#AA943F

accent

#C63FE9

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #182B75

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

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