#18235E#18235E

#18235E is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.7% C 0.106 H 270.3°. Best body text is #FFFFFF at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#18235E
RGB	rgb(24, 35, 94)
HSL	hsl(231, 59%, 23%)
HSV	hsv(231, 74%, 37%)
CMYK	cmyk(74.5%, 62.8%, 0%, 63.1%)
CIE-LAB	lab(16.52, 17.78, -36.66)
CIE-LCH	lch(16.52, 40.75, 295.87°)
OKLab	oklab(28.73% 0.0005 -0.1057)
OKLCH	oklch(28.73% 0.106 270.3)
XYZ	xyz(2.9974, 2.2041, 10.8550)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18235E #5E5318

analogous

#18465E #18235E #30185E

triadic

#18235E #5E1823 #235E18

tetradic

#18235E #5E1846 #5E5318 #185E30

square

#18235E #5E1846 #5E5318 #185E30

split-complementary

#18235E #5E3018 #465E18

monochromatic

#060918 #0C112D #18235E #24358F #3147C0

Accessibility & contrast

On white

14.58

#18235E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#18235E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18235E

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18235E	#FFFFFF	#000000	##FFFFFF
##18235E	1.00	14.58	1.44	14.58
#FFFFFF	14.58	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C60

Deuteranopia (green-blind)

#00265D

Tritanopia (blue-blind)

#00323C

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #18235e;
/* rgb */ color: rgb(24, 35, 94);
/* oklch */ color: oklch(28.7% 0.106 270.3);

Tailwind

colors: {
  custom: {
    50: '#605d8c',
    500: '#18235e',
    950: '#000000',
  },
}

SCSS

$custom: #18235e;
$custom-light: #605d8c;
$custom-dark: #000000;

JSON

{
  "hex": "#18235e",
  "rgb": {
    "r": 24,
    "g": 35,
    "b": 94
  },
  "hsl": {
    "h": 230.571,
    "s": 59.322,
    "l": 23.137
  },
  "oklch": {
    "l": 0.28725,
    "c": 0.10568,
    "h": 270.3
  },
  "luminance": 0.02204
}

Semantic roles & 50–950 ramp

primary

#18235E

secondary

#94873D

accent

#CA45E3

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #18235E

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

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