#18217D#18217D

#18217D is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.5% C 0.152 H 269.9°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#18217D
RGB	rgb(24, 33, 125)
HSL	hsl(235, 68%, 29%)
HSV	hsv(235, 81%, 49%)
CMYK	cmyk(80.8%, 73.6%, 0%, 51%)
CIE-LAB	lab(19.06, 31.35, -52.64)
CIE-LCH	lch(19.06, 61.26, 300.77°)
OKLab	oklab(31.52% -0.0002 -0.1524)
OKLCH	oklch(31.52% 0.152 269.9)
XYZ	xyz(4.6209, 2.7621, 19.6876)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18217D #7D7418

analogous

#18547D #18217D #41187D

triadic

#18217D #7D1821 #217D18

tetradic

#18217D #7D1854 #7D7418 #187D41

square

#18217D #7D1854 #7D7418 #187D41

split-complementary

#18217D #7D4118 #547D18

monochromatic

#05071A #0E134A #18217D #222FB0 #3745D9

Accessibility & contrast

On white

13.53

#18217D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#18217D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18217D

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18217D	#FFFFFF	#000000	##FFFFFF
##18217D	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003380

Deuteranopia (green-blind)

#00297B

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #18217d;
/* rgb */ color: rgb(24, 33, 125);
/* oklch */ color: oklch(31.5% 0.152 269.9);

Tailwind

colors: {
  custom: {
    50: '#685da4',
    500: '#18217d',
    950: '#000000',
  },
}

SCSS

$custom: #18217d;
$custom-light: #685da4;
$custom-dark: #000000;

JSON

{
  "hex": "#18217d",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 125
  },
  "hsl": {
    "h": 234.653,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31519,
    "c": 0.15244,
    "h": 269.9
  },
  "luminance": 0.02763
}

Semantic roles & 50–950 ramp

primary

#18217D

secondary

#B2A73F

accent

#DB3DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #18217D

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

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