#18307D#18307D

#18307D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.4% C 0.134 H 266.1°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#18307D
RGB	rgb(24, 48, 125)
HSL	hsl(226, 68%, 29%)
HSV	hsv(226, 81%, 49%)
CMYK	cmyk(80.8%, 61.6%, 0%, 51%)
CIE-LAB	lab(22.96, 21.08, -46.25)
CIE-LCH	lch(22.96, 50.83, 294.50°)
OKLab	oklab(34.38% -0.0091 -0.1336)
OKLCH	oklch(34.38% 0.134 266.1)
XYZ	xyz(5.1340, 3.7882, 19.8587)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18307D #7D6518

analogous

#18637D #18307D #33187D

triadic

#18307D #7D1830 #307D18

tetradic

#18307D #7D1863 #7D6518 #187D33

square

#18307D #7D1863 #7D6518 #187D33

split-complementary

#18307D #7D3318 #637D18

monochromatic

#050A1A #0E1C4A #18307D #2244B0 #375DD9

Accessibility & contrast

On white

11.95

#18307D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#18307D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18307D

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18307D	#FFFFFF	#000000	##FFFFFF
##18307D	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C80

Deuteranopia (green-blind)

#00327C

Tritanopia (blue-blind)

#004451

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #18307d;
/* rgb */ color: rgb(24, 48, 125);
/* oklch */ color: oklch(34.4% 0.134 266.1);

Tailwind

colors: {
  custom: {
    50: '#6767a3',
    500: '#18307d',
    950: '#000000',
  },
}

SCSS

$custom: #18307d;
$custom-light: #6767a3;
$custom-dark: #000000;

JSON

{
  "hex": "#18307d",
  "rgb": {
    "r": 24,
    "g": 48,
    "b": 125
  },
  "hsl": {
    "h": 225.743,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.34375,
    "c": 0.13396,
    "h": 266.1
  },
  "luminance": 0.03789
}

Semantic roles & 50–950 ramp

primary

#18307D

secondary

#B2963F

accent

#C13DEB

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #18307D

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

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