#18213E#18213E

#18213E is a dark, muted blue. Relative luminance 0.016; OKLCH L 25.6% C 0.056 H 269.2°. Best body text is #FFFFFF at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#18213E
RGB	rgb(24, 33, 62)
HSL	hsl(226, 44%, 17%)
HSV	hsv(226, 61%, 24%)
CMYK	cmyk(61.3%, 46.8%, 0%, 75.7%)
CIE-LAB	lab(13.41, 6.26, -19.83)
CIE-LCH	lch(13.41, 20.80, 287.51°)
OKLab	oklab(25.58% -0.0008 -0.0562)
OKLCH	oklch(25.58% 0.056 269.2)
XYZ	xyz(1.7898, 1.6296, 4.7767)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18213E #3E3518

analogous

#18343E #18213E #22183E

triadic

#18213E #3E1821 #213E18

tetradic

#18213E #3E1834 #3E3518 #183E22

square

#18213E #3E1834 #3E3518 #183E22

split-complementary

#18213E #3E2218 #343E18

monochromatic

#090C16 #090C16 #18213E #29386A #3A5096

Accessibility & contrast

On white

15.84

#18213E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#18213E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18213E

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18213E	#FFFFFF	#000000	##FFFFFF
##18213E	1.00	15.84	1.33	15.84
#FFFFFF	15.84	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15243F

Deuteranopia (green-blind)

#11213D

Tritanopia (blue-blind)

#06272C

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #18213e;
/* rgb */ color: rgb(24, 33, 62);
/* oklch */ color: oklch(25.6% 0.056 269.2);

Tailwind

colors: {
  custom: {
    50: '#585b73',
    500: '#18213e',
    950: '#000000',
  },
}

SCSS

$custom: #18213e;
$custom-light: #585b73;
$custom-dark: #000000;

JSON

{
  "hex": "#18213e",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 62
  },
  "hsl": {
    "h": 225.789,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.25576,
    "c": 0.05625,
    "h": 269.2
  },
  "luminance": 0.0163
}

Semantic roles & 50–950 ramp

primary

#18213E

secondary

#74673D

accent

#B654D4

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #18213E

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

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