#183E96#183E96

#183E96 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.151 H 263.4°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#183E96
RGB	rgb(24, 62, 150)
HSL	hsl(222, 72%, 34%)
HSV	hsv(222, 84%, 59%)
CMYK	cmyk(84%, 58.7%, 0%, 41.2%)
CIE-LAB	lab(29.01, 21.44, -51.93)
CIE-LCH	lch(29.01, 56.18, 292.43°)
OKLab	oklab(39.57% -0.0173 -0.1501)
OKLCH	oklch(39.57% 0.151 263.4)
XYZ	xyz(7.6024, 5.8405, 29.5749)
Luminance	0.0584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183E96 #967018

analogous

#187D96 #183E96 #311896

triadic

#183E96 #96183E #3E9618

tetradic

#183E96 #96187D #967018 #189631

square

#183E96 #96187D #967018 #189631

split-complementary

#183E96 #963118 #7D9618

monochromatic

#07122C #102861 #183E96 #2054CB #4776E2

Accessibility & contrast

On white

9.69

#183E96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#183E96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E96

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183E96	#FFFFFF	#000000	##FFFFFF
##183E96	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A99

Deuteranopia (green-blind)

#003F94

Tritanopia (blue-blind)

#005463

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #183e96;
/* rgb */ color: rgb(24, 62, 150);
/* oklch */ color: oklch(39.6% 0.151 263.4);

Tailwind

colors: {
  custom: {
    50: '#6d72b6',
    500: '#183e96',
    950: '#000000',
  },
}

SCSS

$custom: #183e96;
$custom-light: #6d72b6;
$custom-dark: #000000;

JSON

{
  "hex": "#183e96",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 150
  },
  "hsl": {
    "h": 221.905,
    "s": 72.414,
    "l": 34.118
  },
  "oklch": {
    "l": 0.39571,
    "c": 0.15108,
    "h": 263.4
  },
  "luminance": 0.05841
}

Semantic roles & 50–950 ramp

primary

#183E96

secondary

#C39D47

accent

#B839EF

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #183E96

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

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