#18258D#18258D

#18258D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.9% C 0.169 H 268.6°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#18258D
RGB	rgb(24, 37, 141)
HSL	hsl(233, 71%, 32%)
HSV	hsv(233, 83%, 55%)
CMYK	cmyk(83%, 73.8%, 0%, 44.7%)
CIE-LAB	lab(21.73, 34.74, -58.32)
CIE-LCH	lch(21.73, 67.88, 300.78°)
OKLab	oklab(33.95% -0.004 -0.169)
OKLCH	oklch(33.95% 0.169 268.6)
XYZ	xyz(5.8443, 3.4397, 25.5500)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18258D #8D8018

analogous

#18608D #18258D #45188D

triadic

#18258D #8D1825 #258D18

tetradic

#18258D #8D1860 #8D8018 #188D45

square

#18258D #8D1860 #8D8018 #188D45

split-complementary

#18258D #8D4518 #608D18

monochromatic

#060A24 #0F1759 #18258D #2133C1 #4152DF

Accessibility & contrast

On white

12.44

#18258D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#18258D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18258D

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18258D	#FFFFFF	#000000	##FFFFFF
##18258D	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A90

Deuteranopia (green-blind)

#002E8B

Tritanopia (blue-blind)

#004356

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #18258d;
/* rgb */ color: rgb(24, 37, 141);
/* oklch */ color: oklch(33.9% 0.169 268.6);

Tailwind

colors: {
  custom: {
    50: '#6c60af',
    500: '#18258d',
    950: '#000000',
  },
}

SCSS

$custom: #18258d;
$custom-light: #6c60af;
$custom-dark: #000000;

JSON

{
  "hex": "#18258d",
  "rgb": {
    "r": 24,
    "g": 37,
    "b": 141
  },
  "hsl": {
    "h": 233.333,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33949,
    "c": 0.16903,
    "h": 268.6
  },
  "luminance": 0.0344
}

Semantic roles & 50–950 ramp

primary

#18258D

secondary

#BFB142

accent

#DA3AEE

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080511

muted

#7B7980

Preview Lab

Preview with #18258D

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

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