#182378#182378

#182378 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.3% C 0.143 H 269.7°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#182378
RGB	rgb(24, 35, 120)
HSL	hsl(233, 67%, 28%)
HSV	hsv(233, 80%, 47%)
CMYK	cmyk(80%, 70.8%, 0%, 52.9%)
CIE-LAB	lab(19.02, 28.12, -49.52)
CIE-LCH	lch(19.02, 56.95, 299.59°)
OKLab	oklab(31.33% -0.0007 -0.1433)
OKLCH	oklch(31.33% 0.143 269.7)
XYZ	xyz(4.3667, 2.7518, 18.0667)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182378 #786D18

analogous

#185378 #182378 #3D1878

triadic

#182378 #781823 #237818

tetradic

#182378 #781853 #786D18 #18783D

square

#182378 #781853 #786D18 #18783D

split-complementary

#182378 #783D18 #537818

monochromatic

#05071A #0E1445 #182378 #2232AB #3447D6

Accessibility & contrast

On white

13.54

#182378 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#182378 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182378

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182378	#FFFFFF	#000000	##FFFFFF
##182378	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337B

Deuteranopia (green-blind)

#002A76

Tritanopia (blue-blind)

#003A4A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182378;
/* rgb */ color: rgb(24, 35, 120);
/* oklch */ color: oklch(31.3% 0.143 269.7);

Tailwind

colors: {
  custom: {
    50: '#675ea0',
    500: '#182378',
    950: '#000000',
  },
}

SCSS

$custom: #182378;
$custom-light: #675ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#182378",
  "rgb": {
    "r": 24,
    "g": 35,
    "b": 120
  },
  "hsl": {
    "h": 233.125,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.31329,
    "c": 0.14335,
    "h": 269.7
  },
  "luminance": 0.02752
}

Semantic roles & 50–950 ramp

primary

#182378

secondary

#ADA03F

accent

#D63EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040F

muted

#7A797E

Preview Lab

Preview with #182378

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

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