#18237F#18237F

#18237F is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.1% C 0.153 H 269.5°. Best body text is #FFFFFF at 13.24:1 contrast (WCAG AA passes).

Color values

HEX	#18237F
RGB	rgb(24, 35, 127)
HSL	hsl(234, 68%, 30%)
HSV	hsv(234, 81%, 50%)
CMYK	cmyk(81.1%, 72.4%, 0%, 50.2%)
CIE-LAB	lab(19.75, 30.80, -52.77)
CIE-LCH	lch(19.75, 61.10, 300.27°)
OKLab	oklab(32.08% -0.0015 -0.1528)
OKLCH	oklch(32.08% 0.153 269.5)
XYZ	xyz(4.8072, 2.9280, 20.3864)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18237F #7F7418

analogous

#18577F #18237F #40187F

triadic

#18237F #7F1823 #237F18

tetradic

#18237F #7F1857 #7F7418 #187F40

square

#18237F #7F1857 #7F7418 #187F40

split-complementary

#18237F #7F4018 #577F18

monochromatic

#05071A #0E154C #18237F #2231B2 #3849D9

Accessibility & contrast

On white

13.24

#18237F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#18237F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18237F

13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18237F	#FFFFFF	#000000	##FFFFFF
##18237F	1.00	13.24	1.59	13.24
#FFFFFF	13.24	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003582

Deuteranopia (green-blind)

#002B7D

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #18237f;
/* rgb */ color: rgb(24, 35, 127);
/* oklch */ color: oklch(32.1% 0.153 269.5);

Tailwind

colors: {
  custom: {
    50: '#695ea5',
    500: '#18237f',
    950: '#000000',
  },
}

SCSS

$custom: #18237f;
$custom-light: #695ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#18237f",
  "rgb": {
    "r": 24,
    "g": 35,
    "b": 127
  },
  "hsl": {
    "h": 233.592,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.3208,
    "c": 0.15285,
    "h": 269.5
  },
  "luminance": 0.02929
}

Semantic roles & 50–950 ramp

primary

#18237F

secondary

#B3A73F

accent

#D83DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #18237F

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

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