#18253A#18253A

#18253A is a dark, muted blue. Relative luminance 0.018; OKLCH L 26.4% C 0.044 H 259.7°. Best body text is #FFFFFF at 15.39:1 contrast (WCAG AA passes).

Color values

HEX	#18253A
RGB	rgb(24, 37, 58)
HSL	hsl(217, 41%, 16%)
HSV	hsv(217, 59%, 23%)
CMYK	cmyk(58.6%, 36.2%, 0%, 77.3%)
CIE-LAB	lab(14.53, 1.73, -15.26)
CIE-LCH	lch(14.53, 15.35, 276.47°)
OKLab	oklab(26.36% -0.0078 -0.0429)
OKLCH	oklch(26.36% 0.044 259.7)
XYZ	xyz(1.8017, 1.8227, 4.2590)
Luminance	0.0182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18253A #3A2D18

analogous

#18363A #18253A #1C183A

triadic

#18253A #3A1825 #253A18

tetradic

#18253A #3A1836 #3A2D18 #183A1C

square

#18253A #3A1836 #3A2D18 #183A1C

split-complementary

#18253A #3A1C18 #363A18

monochromatic

#090E16 #090E16 #18253A #2A4165 #3C5C91

Accessibility & contrast

On white

15.39

#18253A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#18253A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18253A

15.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18253A	#FFFFFF	#000000	##FFFFFF
##18253A	1.00	15.39	1.36	15.39
#FFFFFF	15.39	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D263B

Deuteranopia (green-blind)

#19233A

Tritanopia (blue-blind)

#082A2C

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #18253a;
/* rgb */ color: rgb(24, 37, 58);
/* oklch */ color: oklch(26.4% 0.044 259.7);

Tailwind

colors: {
  custom: {
    50: '#575f70',
    500: '#18253a',
    950: '#000000',
  },
}

SCSS

$custom: #18253a;
$custom-light: #575f70;
$custom-dark: #000000;

JSON

{
  "hex": "#18253a",
  "rgb": {
    "r": 24,
    "g": 37,
    "b": 58
  },
  "hsl": {
    "h": 217.059,
    "s": 41.463,
    "l": 16.078
  },
  "oklch": {
    "l": 0.26362,
    "c": 0.04359,
    "h": 259.7
  },
  "luminance": 0.01823
}

Semantic roles & 50–950 ramp

primary

#18253A

secondary

#705D3E

accent

#A257D1

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #18253A

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

Preview Lab → · Contrast checker → · Palette generator →