#18176B#18176B

#18176B is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.9% C 0.139 H 273.1°. Best body text is #FFFFFF at 15.29:1 contrast (WCAG AA passes).

Color values

HEX	#18176B
RGB	rgb(24, 23, 107)
HSL	hsl(241, 65%, 25%)
HSV	hsv(241, 79%, 42%)
CMYK	cmyk(77.6%, 78.5%, 0%, 58%)
CIE-LAB	lab(14.78, 31.03, -48.10)
CIE-LCH	lch(14.78, 57.24, 302.83°)
OKLab	oklab(27.86% 0.0077 -0.1392)
OKLCH	oklch(27.86% 0.139 273.1)
XYZ	xyz(3.3360, 1.8682, 14.0918)
Luminance	0.0187 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18176B #6A6B17

analogous

#17406B #18176B #42176B

triadic

#18176B #6B1817 #176B18

tetradic

#18176B #6B1740 #6A6B17 #176B42

square

#18176B #6B1740 #6A6B17 #176B42

split-complementary

#18176B #6B4217 #406B17

monochromatic

#060519 #0D0C39 #18176B #23229D #2F2DD0

Accessibility & contrast

On white

15.29

#18176B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#18176B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18176B

15.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18176B	#FFFFFF	#000000	##FFFFFF
##18176B	1.00	15.29	1.37	15.29
#FFFFFF	15.29	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296D

Deuteranopia (green-blind)

#00216A

Tritanopia (blue-blind)

#002F40

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #18176b;
/* rgb */ color: rgb(24, 23, 107);
/* oklch */ color: oklch(27.9% 0.139 273.1);

Tailwind

colors: {
  custom: {
    50: '#645596',
    500: '#18176b',
    950: '#000000',
  },
}

SCSS

$custom: #18176b;
$custom-light: #645596;
$custom-dark: #000000;

JSON

{
  "hex": "#18176b",
  "rgb": {
    "r": 24,
    "g": 23,
    "b": 107
  },
  "hsl": {
    "h": 240.714,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.27859,
    "c": 0.13938,
    "h": 273.1
  },
  "luminance": 0.01869
}

Semantic roles & 50–950 ramp

primary

#18176B

secondary

#A0A13D

accent

#E840E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #18176B

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

Preview Lab → · Contrast checker → · Palette generator →