#18263D#18263D

#18263D is a dark, muted blue. Relative luminance 0.019; OKLCH L 26.8% C 0.047 H 260.0°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#18263D
RGB	rgb(24, 38, 61)
HSL	hsl(217, 44%, 17%)
HSV	hsv(217, 61%, 24%)
CMYK	cmyk(60.7%, 37.7%, 0%, 76.1%)
CIE-LAB	lab(15.05, 2.16, -16.55)
CIE-LCH	lch(15.05, 16.69, 277.43°)
OKLab	oklab(26.82% -0.0083 -0.0466)
OKLCH	oklch(26.82% 0.047 260)
XYZ	xyz(1.9118, 1.9172, 4.6833)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18263D #3D2F18

analogous

#18393D #18263D #1D183D

triadic

#18263D #3D1826 #263D18

tetradic

#18263D #3D1839 #3D2F18 #183D1D

square

#18263D #3D1839 #3D2F18 #183D1D

split-complementary

#18263D #3D1D18 #393D18

monochromatic

#090E16 #090E16 #18263D #294169 #3B5D95

Accessibility & contrast

On white

15.18

#18263D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#18263D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18263D

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18263D	#FFFFFF	#000000	##FFFFFF
##18263D	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D283E

Deuteranopia (green-blind)

#18243D

Tritanopia (blue-blind)

#052B2E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #18263d;
/* rgb */ color: rgb(24, 38, 61);
/* oklch */ color: oklch(26.8% 0.047 260.0);

Tailwind

colors: {
  custom: {
    50: '#586072',
    500: '#18263d',
    950: '#000000',
  },
}

SCSS

$custom: #18263d;
$custom-light: #586072;
$custom-dark: #000000;

JSON

{
  "hex": "#18263d",
  "rgb": {
    "r": 24,
    "g": 38,
    "b": 61
  },
  "hsl": {
    "h": 217.297,
    "s": 43.529,
    "l": 16.667
  },
  "oklch": {
    "l": 0.26823,
    "c": 0.04734,
    "h": 260
  },
  "luminance": 0.01917
}

Semantic roles & 50–950 ramp

primary

#18263D

secondary

#735F3D

accent

#A355D3

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030408

muted

#78797B

Preview Lab

Preview with #18263D

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

Preview Lab → · Contrast checker → · Palette generator →