#18118E#18118E

#18118E is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.5% C 0.188 H 270.3°. Best body text is #FFFFFF at 13.91:1 contrast (WCAG AA passes).

Color values

HEX	#18118E
RGB	rgb(24, 17, 142)
HSL	hsl(243, 79%, 31%)
HSV	hsv(243, 88%, 56%)
CMYK	cmyk(83.1%, 88%, 0%, 44.3%)
CIE-LAB	lab(18.13, 45.78, -64.90)
CIE-LCH	lch(18.13, 79.42, 305.20°)
OKLab	oklab(31.46% 0.0011 -0.1877)
OKLCH	oklch(31.46% 0.188 270.3)
XYZ	xyz(5.4580, 2.5474, 25.7900)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18118E #878E11

analogous

#11488E #18118E #56118E

triadic

#18118E #8E1811 #118E18

tetradic

#18118E #8E1148 #878E11 #118E56

square

#18118E #8E1148 #878E11 #118E56

split-complementary

#18118E #8E5611 #488E11

monochromatic

#060421 #0F0A57 #18118E #2118C5 #3D33E7

Accessibility & contrast

On white

13.91

#18118E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#18118E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18118E

13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18118E	#FFFFFF	#000000	##FFFFFF
##18118E	1.00	13.91	1.51	13.91
#FFFFFF	13.91	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003291

Deuteranopia (green-blind)

#00268C

Tritanopia (blue-blind)

#003B53

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #18118e;
/* rgb */ color: rgb(24, 17, 142);
/* oklch */ color: oklch(31.5% 0.188 270.3);

Tailwind

colors: {
  custom: {
    50: '#6f55b1',
    500: '#18118e',
    950: '#000000',
  },
}

SCSS

$custom: #18118e;
$custom-light: #6f55b1;
$custom-dark: #000000;

JSON

{
  "hex": "#18118e",
  "rgb": {
    "r": 24,
    "g": 17,
    "b": 142
  },
  "hsl": {
    "h": 243.36,
    "s": 78.616,
    "l": 31.176
  },
  "oklch": {
    "l": 0.31461,
    "c": 0.18774,
    "h": 270.3
  },
  "luminance": 0.02548
}

Semantic roles & 50–950 ramp

primary

#18118E

secondary

#BBC238

accent

#F533EA

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #18118E

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

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