#18233E#18233E

#18233E is a dark, muted blue. Relative luminance 0.017; OKLCH L 26.1% C 0.053 H 266.1°. Best body text is #FFFFFF at 15.57:1 contrast (WCAG AA passes).

Color values

HEX	#18233E
RGB	rgb(24, 35, 62)
HSL	hsl(223, 44%, 17%)
HSV	hsv(223, 61%, 24%)
CMYK	cmyk(61.3%, 43.5%, 0%, 75.7%)
CIE-LAB	lab(14.08, 4.76, -18.77)
CIE-LCH	lch(14.08, 19.36, 284.24°)
OKLab	oklab(26.09% -0.0037 -0.0531)
OKLCH	oklch(26.09% 0.053 266.1)
XYZ	xyz(1.8469, 1.7439, 4.7958)
Luminance	0.0174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18233E #3E3318

analogous

#18363E #18233E #20183E

triadic

#18233E #3E1823 #233E18

tetradic

#18233E #3E1836 #3E3318 #183E20

square

#18233E #3E1836 #3E3318 #183E20

split-complementary

#18233E #3E2018 #363E18

monochromatic

#090C16 #090C16 #18233E #293C6A #3A5596

Accessibility & contrast

On white

15.57

#18233E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#18233E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18233E

15.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18233E	#FFFFFF	#000000	##FFFFFF
##18233E	1.00	15.57	1.35	15.57
#FFFFFF	15.57	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18263F

Deuteranopia (green-blind)

#14223D

Tritanopia (blue-blind)

#05292D

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #18233e;
/* rgb */ color: rgb(24, 35, 62);
/* oklch */ color: oklch(26.1% 0.053 266.1);

Tailwind

colors: {
  custom: {
    50: '#585d73',
    500: '#18233e',
    950: '#000000',
  },
}

SCSS

$custom: #18233e;
$custom-light: #585d73;
$custom-dark: #000000;

JSON

{
  "hex": "#18233e",
  "rgb": {
    "r": 24,
    "g": 35,
    "b": 62
  },
  "hsl": {
    "h": 222.632,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.26094,
    "c": 0.05324,
    "h": 266.1
  },
  "luminance": 0.01744
}

Semantic roles & 50–950 ramp

primary

#18233E

secondary

#74643D

accent

#AF54D4

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #18233E

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

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