#18376B#18376B

#18376B is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.4% C 0.098 H 260.1°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#18376B
RGB	rgb(24, 55, 107)
HSL	hsl(218, 63%, 26%)
HSV	hsv(218, 78%, 42%)
CMYK	cmyk(77.6%, 48.6%, 0%, 58%)
CIE-LAB	lab(23.63, 8.65, -33.68)
CIE-LCH	lch(23.63, 34.77, 284.41°)
OKLab	oklab(34.44% -0.0168 -0.0965)
OKLCH	oklch(34.44% 0.098 260.1)
XYZ	xyz(4.3958, 3.9876, 14.4451)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18376B #6B4C18

analogous

#18606B #18376B #22186B

triadic

#18376B #6B1837 #376B18

tetradic

#18376B #6B1860 #6B4C18 #186B22

square

#18376B #6B1860 #6B4C18 #186B22

split-complementary

#18376B #6B2218 #606B18

monochromatic

#060D19 #0D1D39 #18376B #23519D #2E6ACF

Accessibility & contrast

On white

11.68

#18376B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#18376B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18376B

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18376B	#FFFFFF	#000000	##FFFFFF
##18376B	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3C6D

Deuteranopia (green-blind)

#09356A

Tritanopia (blue-blind)

#00434B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #18376b;
/* rgb */ color: rgb(24, 55, 107);
/* oklch */ color: oklch(34.4% 0.098 260.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#18376b",
  "rgb": {
    "r": 24,
    "g": 55,
    "b": 107
  },
  "hsl": {
    "h": 217.59,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.34438,
    "c": 0.09799,
    "h": 260.1
  },
  "luminance": 0.03988
}

Semantic roles & 50–950 ramp

primary

#18376B

secondary

#A17C3E

accent

#A941E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #18376B

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

Preview Lab → · Contrast checker → · Palette generator →