#18204F#18204F

#18204F is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.7% C 0.086 H 272.0°. Best body text is #FFFFFF at 15.46:1 contrast (WCAG AA passes).

Color values

HEX	#18204F
RGB	rgb(24, 32, 79)
HSL	hsl(231, 53%, 20%)
HSV	hsv(231, 70%, 31%)
CMYK	cmyk(69.6%, 59.5%, 0%, 69%)
CIE-LAB	lab(14.35, 13.87, -30.09)
CIE-LCH	lch(14.35, 33.13, 294.76°)
OKLab	oklab(26.7% 0.003 -0.0864)
OKLCH	oklch(26.7% 0.086 272)
XYZ	xyz(2.3040, 1.7915, 7.6200)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18204F #4F4718

analogous

#183B4F #18204F #2C184F

triadic

#18204F #4F1820 #204F18

tetradic

#18204F #4F183B #4F4718 #184F2C

square

#18204F #4F183B #4F4718 #184F2C

split-complementary

#18204F #4F2C18 #3B4F18

monochromatic

#070A17 #0A0D20 #18204F #26337E #3546AD

Accessibility & contrast

On white

15.46

#18204F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#18204F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18204F

15.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18204F	#FFFFFF	#000000	##FFFFFF
##18204F	1.00	15.46	1.36	15.46
#FFFFFF	15.46	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022751

Deuteranopia (green-blind)

#00224E

Tritanopia (blue-blind)

#002B34

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #18204f;
/* rgb */ color: rgb(24, 32, 79);
/* oklch */ color: oklch(26.7% 0.086 272.0);

Tailwind

colors: {
  custom: {
    50: '#5c5b81',
    500: '#18204f',
    950: '#000000',
  },
}

SCSS

$custom: #18204f;
$custom-light: #5c5b81;
$custom-dark: #000000;

JSON

{
  "hex": "#18204f",
  "rgb": {
    "r": 24,
    "g": 32,
    "b": 79
  },
  "hsl": {
    "h": 231.273,
    "s": 53.398,
    "l": 20.196
  },
  "oklch": {
    "l": 0.26698,
    "c": 0.08644,
    "h": 272
  },
  "luminance": 0.01792
}

Semantic roles & 50–950 ramp

primary

#18204F

secondary

#867B3D

accent

#C84BDD

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #18204F

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

Preview Lab → · Contrast checker → · Palette generator →