#183982#183982

#183982 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.129 H 263.2°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#183982
RGB	rgb(24, 57, 130)
HSL	hsl(221, 69%, 30%)
HSV	hsv(221, 82%, 51%)
CMYK	cmyk(81.5%, 56.2%, 0%, 49%)
CIE-LAB	lab(25.96, 16.77, -44.52)
CIE-LCH	lch(25.96, 47.57, 290.64°)
OKLab	oklab(36.76% -0.0153 -0.1284)
OKLCH	oklch(36.76% 0.129 263.2)
XYZ	xyz(5.8676, 4.7315, 21.7188)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183982 #826118

analogous

#186E82 #183982 #2C1882

triadic

#183982 #821839 #398218

tetradic

#183982 #82186E #826118 #18822C

square

#183982 #82186E #826118 #18822C

split-complementary

#183982 #822C18 #6E8218

monochromatic

#050C1B #0E224E #183982 #2250B6 #3A6CDB

Accessibility & contrast

On white

10.79

#183982 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#183982 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183982

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183982	#FFFFFF	#000000	##FFFFFF
##183982	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004385

Deuteranopia (green-blind)

#003981

Tritanopia (blue-blind)

#004B57

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #183982;
/* rgb */ color: rgb(24, 57, 130);
/* oklch */ color: oklch(36.8% 0.129 263.2);

Tailwind

colors: {
  custom: {
    50: '#676ea7',
    500: '#183982',
    950: '#000000',
  },
}

SCSS

$custom: #183982;
$custom-light: #676ea7;
$custom-dark: #000000;

JSON

{
  "hex": "#183982",
  "rgb": {
    "r": 24,
    "g": 57,
    "b": 130
  },
  "hsl": {
    "h": 221.321,
    "s": 68.831,
    "l": 30.196
  },
  "oklch": {
    "l": 0.3676,
    "c": 0.12931,
    "h": 263.2
  },
  "luminance": 0.04732
}

Semantic roles & 50–950 ramp

primary

#183982

secondary

#B69140

accent

#B53CEC

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #183982

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

Preview Lab → · Contrast checker → · Palette generator →