#183970#183970

#183970 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.3% C 0.103 H 260.0°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#183970
RGB	rgb(24, 57, 112)
HSL	hsl(218, 65%, 27%)
HSV	hsv(218, 79%, 44%)
CMYK	cmyk(78.6%, 49.1%, 0%, 56.1%)
CIE-LAB	lab(24.61, 9.31, -35.31)
CIE-LCH	lch(24.61, 36.52, 284.77°)
OKLab	oklab(35.3% -0.0178 -0.1013)
OKLCH	oklch(35.3% 0.103 260)
XYZ	xyz(4.7634, 4.2898, 15.9031)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183970 #704F18

analogous

#186570 #183970 #231870

triadic

#183970 #701839 #397018

tetradic

#183970 #701865 #704F18 #187023

square

#183970 #701865 #704F18 #187023

split-complementary

#183970 #702318 #657018

monochromatic

#050D19 #0D1F3E #183970 #2353A2 #306DD3

Accessibility & contrast

On white

11.30

#183970 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#183970 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183970

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183970	#FFFFFF	#000000	##FFFFFF
##183970	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3F72

Deuteranopia (green-blind)

#05376F

Tritanopia (blue-blind)

#00464F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #183970;
/* rgb */ color: rgb(24, 57, 112);
/* oklch */ color: oklch(35.3% 0.103 260.0);

Tailwind

colors: {
  custom: {
    50: '#636e99',
    500: '#183970',
    950: '#000000',
  },
}

SCSS

$custom: #183970;
$custom-light: #636e99;
$custom-dark: #000000;

JSON

{
  "hex": "#183970",
  "rgb": {
    "r": 24,
    "g": 57,
    "b": 112
  },
  "hsl": {
    "h": 217.5,
    "s": 64.706,
    "l": 26.667
  },
  "oklch": {
    "l": 0.35302,
    "c": 0.10287,
    "h": 260
  },
  "luminance": 0.0429
}

Semantic roles & 50–950 ramp

primary

#183970

secondary

#A57F3E

accent

#A940E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #183970

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

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