#183972#183972

#183972 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.5% C 0.106 H 260.5°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#183972
RGB	rgb(24, 57, 114)
HSL	hsl(218, 65%, 27%)
HSV	hsv(218, 79%, 45%)
CMYK	cmyk(78.9%, 50%, 0%, 55.3%)
CIE-LAB	lab(24.75, 10.14, -36.36)
CIE-LCH	lch(24.75, 37.75, 285.59°)
OKLab	oklab(35.46% -0.0174 -0.1044)
OKLCH	oklch(35.46% 0.106 260.5)
XYZ	xyz(4.8760, 4.3348, 16.4960)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183972 #725118

analogous

#186672 #183972 #241872

triadic

#183972 #721839 #397218

tetradic

#183972 #721866 #725118 #187224

square

#183972 #721866 #725118 #187224

split-complementary

#183972 #722418 #667218

monochromatic

#050D19 #0D203F #183972 #2352A5 #316CD4

Accessibility & contrast

On white

11.25

#183972 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#183972 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183972

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183972	#FFFFFF	#000000	##FFFFFF
##183972	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193F74

Deuteranopia (green-blind)

#013771

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #183972;
/* rgb */ color: rgb(24, 57, 114);
/* oklch */ color: oklch(35.5% 0.106 260.5);

Tailwind

colors: {
  custom: {
    50: '#636e9b',
    500: '#183972',
    950: '#000000',
  },
}

SCSS

$custom: #183972;
$custom-light: #636e9b;
$custom-dark: #000000;

JSON

{
  "hex": "#183972",
  "rgb": {
    "r": 24,
    "g": 57,
    "b": 114
  },
  "hsl": {
    "h": 218,
    "s": 65.217,
    "l": 27.059
  },
  "oklch": {
    "l": 0.35456,
    "c": 0.10585,
    "h": 260.5
  },
  "luminance": 0.04335
}

Semantic roles & 50–950 ramp

primary

#183972

secondary

#A7813E

accent

#AA40E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #183972

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

Preview Lab → · Contrast checker → · Palette generator →