#18253C#18253C

#18253C is a dark, muted blue. Relative luminance 0.018; OKLCH L 26.5% C 0.047 H 261.3°. Best body text is #FFFFFF at 15.34:1 contrast (WCAG AA passes).

Color values

HEX	#18253C
RGB	rgb(24, 37, 60)
HSL	hsl(218, 43%, 16%)
HSV	hsv(218, 60%, 24%)
CMYK	cmyk(60%, 38.3%, 0%, 76.5%)
CIE-LAB	lab(14.64, 2.50, -16.48)
CIE-LCH	lch(14.64, 16.67, 278.64°)
OKLab	oklab(26.49% -0.0071 -0.0464)
OKLCH	oklch(26.49% 0.047 261.3)
XYZ	xyz(1.8536, 1.8434, 4.5322)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18253C #3C2F18

analogous

#18373C #18253C #1D183C

triadic

#18253C #3C1825 #253C18

tetradic

#18253C #3C1837 #3C2F18 #183C1D

square

#18253C #3C1837 #3C2F18 #183C1D

split-complementary

#18253C #3C1D18 #373C18

monochromatic

#090D16 #090D16 #18253C #294068 #3B5B93

Accessibility & contrast

On white

15.34

#18253C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#18253C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18253C

15.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18253C	#FFFFFF	#000000	##FFFFFF
##18253C	1.00	15.34	1.37	15.34
#FFFFFF	15.34	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C273D

Deuteranopia (green-blind)

#18233C

Tritanopia (blue-blind)

#062A2D

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #18253c;
/* rgb */ color: rgb(24, 37, 60);
/* oklch */ color: oklch(26.5% 0.047 261.3);

Tailwind

colors: {
  custom: {
    50: '#585f72',
    500: '#18253c',
    950: '#000000',
  },
}

SCSS

$custom: #18253c;
$custom-light: #585f72;
$custom-dark: #000000;

JSON

{
  "hex": "#18253c",
  "rgb": {
    "r": 24,
    "g": 37,
    "b": 60
  },
  "hsl": {
    "h": 218.333,
    "s": 42.857,
    "l": 16.471
  },
  "oklch": {
    "l": 0.2649,
    "c": 0.04698,
    "h": 261.3
  },
  "luminance": 0.01844
}

Semantic roles & 50–950 ramp

primary

#18253C

secondary

#725F3E

accent

#A555D3

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #18253C

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

Preview Lab → · Contrast checker → · Palette generator →