#18253F#18253F

#18253F is a dark, muted blue. Relative luminance 0.019; OKLCH L 26.7% C 0.052 H 263.2°. Best body text is #FFFFFF at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#18253F
RGB	rgb(24, 37, 63)
HSL	hsl(220, 45%, 17%)
HSV	hsv(220, 62%, 25%)
CMYK	cmyk(61.9%, 41.3%, 0%, 75.3%)
CIE-LAB	lab(14.82, 3.67, -18.29)
CIE-LCH	lch(14.82, 18.66, 281.35°)
OKLab	oklab(26.69% -0.0062 -0.0517)
OKLCH	oklch(26.69% 0.052 263.2)
XYZ	xyz(1.9352, 1.8761, 4.9618)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18253F #3F3218

analogous

#18393F #18253F #1F183F

triadic

#18253F #3F1825 #253F18

tetradic

#18253F #3F1839 #3F3218 #183F1F

square

#18253F #3F1839 #3F3218 #183F1F

split-complementary

#18253F #3F1F18 #393F18

monochromatic

#080D16 #080D16 #18253F #293F6B #3A5998

Accessibility & contrast

On white

15.27

#18253F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#18253F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18253F

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18253F	#FFFFFF	#000000	##FFFFFF
##18253F	1.00	15.27	1.38	15.27
#FFFFFF	15.27	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B2740

Deuteranopia (green-blind)

#16243E

Tritanopia (blue-blind)

#042B2F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #18253f;
/* rgb */ color: rgb(24, 37, 63);
/* oklch */ color: oklch(26.7% 0.052 263.2);

Tailwind

colors: {
  custom: {
    50: '#585f74',
    500: '#18253f',
    950: '#000000',
  },
}

SCSS

$custom: #18253f;
$custom-light: #585f74;
$custom-dark: #000000;

JSON

{
  "hex": "#18253f",
  "rgb": {
    "r": 24,
    "g": 37,
    "b": 63
  },
  "hsl": {
    "h": 220,
    "s": 44.828,
    "l": 17.059
  },
  "oklch": {
    "l": 0.26688,
    "c": 0.05208,
    "h": 263.2
  },
  "luminance": 0.01876
}

Semantic roles & 50–950 ramp

primary

#18253F

secondary

#75633D

accent

#A953D5

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #18253F

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

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