#18376C#18376C

#18376C is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.5% C 0.100 H 260.4°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#18376C
RGB	rgb(24, 55, 108)
HSL	hsl(218, 64%, 26%)
HSV	hsv(218, 78%, 42%)
CMYK	cmyk(77.8%, 49.1%, 0%, 57.6%)
CIE-LAB	lab(23.70, 9.07, -34.21)
CIE-LCH	lch(23.70, 35.39, 284.85°)
OKLab	oklab(34.51% -0.0166 -0.0981)
OKLCH	oklch(34.51% 0.1 260.4)
XYZ	xyz(4.4487, 4.0088, 14.7238)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18376C #6C4D18

analogous

#18616C #18376C #23186C

triadic

#18376C #6C1837 #376C18

tetradic

#18376C #6C1861 #6C4D18 #186C23

square

#18376C #6C1861 #6C4D18 #186C23

split-complementary

#18376C #6C2318 #616C18

monochromatic

#060D19 #0D1D3A #18376C #23509E #2E6AD0

Accessibility & contrast

On white

11.66

#18376C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#18376C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18376C

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18376C	#FFFFFF	#000000	##FFFFFF
##18376C	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3D6E

Deuteranopia (green-blind)

#07356B

Tritanopia (blue-blind)

#00444C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #18376c;
/* rgb */ color: rgb(24, 55, 108);
/* oklch */ color: oklch(34.5% 0.100 260.4);

Tailwind

colors: {
  custom: {
    50: '#626d96',
    500: '#18376c',
    950: '#000000',
  },
}

SCSS

$custom: #18376c;
$custom-light: #626d96;
$custom-dark: #000000;

JSON

{
  "hex": "#18376c",
  "rgb": {
    "r": 24,
    "g": 55,
    "b": 108
  },
  "hsl": {
    "h": 217.857,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.34514,
    "c": 0.0995,
    "h": 260.4
  },
  "luminance": 0.04009
}

Semantic roles & 50–950 ramp

primary

#18376C

secondary

#A27D3E

accent

#AA41E7

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #18376C

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

Preview Lab → · Contrast checker → · Palette generator →