#18307F#18307F

#18307F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.6% C 0.137 H 266.2°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#18307F
RGB	rgb(24, 48, 127)
HSL	hsl(226, 68%, 30%)
HSV	hsv(226, 81%, 50%)
CMYK	cmyk(81.1%, 62.2%, 0%, 50.2%)
CIE-LAB	lab(23.13, 21.89, -47.23)
CIE-LCH	lch(23.13, 52.05, 294.87°)
OKLab	oklab(34.56% -0.0091 -0.1365)
OKLCH	oklch(34.56% 0.137 266.2)
XYZ	xyz(5.2631, 3.8398, 20.5383)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18307F #7F6718

analogous

#18647F #18307F #33187F

triadic

#18307F #7F1830 #307F18

tetradic

#18307F #7F1864 #7F6718 #187F33

square

#18307F #7F1864 #7F6718 #187F33

split-complementary

#18307F #7F3318 #647F18

monochromatic

#050A1A #0E1D4C #18307F #2243B2 #385ED9

Accessibility & contrast

On white

11.88

#18307F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#18307F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18307F

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18307F	#FFFFFF	#000000	##FFFFFF
##18307F	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C82

Deuteranopia (green-blind)

#00337D

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #18307f;
/* rgb */ color: rgb(24, 48, 127);
/* oklch */ color: oklch(34.6% 0.137 266.2);

Tailwind

colors: {
  custom: {
    50: '#6767a5',
    500: '#18307f',
    950: '#000000',
  },
}

SCSS

$custom: #18307f;
$custom-light: #6767a5;
$custom-dark: #000000;

JSON

{
  "hex": "#18307f",
  "rgb": {
    "r": 24,
    "g": 48,
    "b": 127
  },
  "hsl": {
    "h": 226.019,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.34561,
    "c": 0.13681,
    "h": 266.2
  },
  "luminance": 0.0384
}

Semantic roles & 50–950 ramp

primary

#18307F

secondary

#B3983F

accent

#C23DEB

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #18307F

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

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