#18376D#18376D

#18376D is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.6% C 0.101 H 260.6°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#18376D
RGB	rgb(24, 55, 109)
HSL	hsl(218, 64%, 26%)
HSV	hsv(218, 78%, 43%)
CMYK	cmyk(78%, 49.5%, 0%, 57.3%)
CIE-LAB	lab(23.77, 9.48, -34.74)
CIE-LCH	lch(23.77, 36.01, 285.27°)
OKLab	oklab(34.59% -0.0164 -0.0997)
OKLCH	oklch(34.59% 0.101 260.6)
XYZ	xyz(4.5022, 4.0302, 15.0057)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18376D #6D4E18

analogous

#18616D #18376D #23186D

triadic

#18376D #6D1837 #376D18

tetradic

#18376D #6D1861 #6D4E18 #186D23

square

#18376D #6D1861 #6D4E18 #186D23

split-complementary

#18376D #6D2318 #616D18

monochromatic

#060D19 #0D1E3B #18376D #23509F #2E6AD1

Accessibility & contrast

On white

11.63

#18376D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#18376D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18376D

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18376D	#FFFFFF	#000000	##FFFFFF
##18376D	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3D6F

Deuteranopia (green-blind)

#05356C

Tritanopia (blue-blind)

#00444C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #18376d;
/* rgb */ color: rgb(24, 55, 109);
/* oklch */ color: oklch(34.6% 0.101 260.6);

Tailwind

colors: {
  custom: {
    50: '#626d97',
    500: '#18376d',
    950: '#000000',
  },
}

SCSS

$custom: #18376d;
$custom-light: #626d97;
$custom-dark: #000000;

JSON

{
  "hex": "#18376d",
  "rgb": {
    "r": 24,
    "g": 55,
    "b": 109
  },
  "hsl": {
    "h": 218.118,
    "s": 63.91,
    "l": 26.078
  },
  "oklch": {
    "l": 0.34591,
    "c": 0.10101,
    "h": 260.6
  },
  "luminance": 0.04031
}

Semantic roles & 50–950 ramp

primary

#18376D

secondary

#A37E3E

accent

#AA41E7

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #18376D

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

Preview Lab → · Contrast checker → · Palette generator →