#18307C#18307C

#18307C is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.3% C 0.133 H 266.0°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#18307C
RGB	rgb(24, 48, 124)
HSL	hsl(226, 68%, 29%)
HSV	hsv(226, 81%, 49%)
CMYK	cmyk(80.6%, 61.3%, 0%, 51.4%)
CIE-LAB	lab(22.87, 20.68, -45.76)
CIE-LCH	lch(22.87, 50.21, 294.31°)
OKLab	oklab(34.28% -0.0091 -0.1322)
OKLCH	oklch(34.28% 0.133 266)
XYZ	xyz(5.0705, 3.7628, 19.5239)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18307C #7C6418

analogous

#18627C #18307C #32187C

triadic

#18307C #7C1830 #307C18

tetradic

#18307C #7C1862 #7C6418 #187C32

square

#18307C #7C1862 #7C6418 #187C32

split-complementary

#18307C #7C3218 #627C18

monochromatic

#050A1A #0E1C49 #18307C #2244AF #365DD8

Accessibility & contrast

On white

11.98

#18307C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#18307C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18307C

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18307C	#FFFFFF	#000000	##FFFFFF
##18307C	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7F

Deuteranopia (green-blind)

#00327B

Tritanopia (blue-blind)

#004351

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #18307c;
/* rgb */ color: rgb(24, 48, 124);
/* oklch */ color: oklch(34.3% 0.133 266.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#18307c",
  "rgb": {
    "r": 24,
    "g": 48,
    "b": 124
  },
  "hsl": {
    "h": 225.6,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.34283,
    "c": 0.13252,
    "h": 266
  },
  "luminance": 0.03763
}

Semantic roles & 50–950 ramp

primary

#18307C

secondary

#B1953F

accent

#C13DEA

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #18307C

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

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