#180E5D#180E5D

#180E5D is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.9% C 0.130 H 277.0°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#180E5D
RGB	rgb(24, 14, 93)
HSL	hsl(248, 74%, 21%)
HSV	hsv(248, 85%, 36%)
CMYK	cmyk(74.2%, 84.9%, 0%, 63.5%)
CIE-LAB	lab(11.26, 31.36, -44.63)
CIE-LCH	lch(11.26, 54.54, 305.09°)
OKLab	oklab(24.89% 0.0158 -0.129)
OKLCH	oklch(24.89% 0.13 277)
XYZ	xyz(2.5089, 1.2984, 10.4722)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180E5D #535D0E

analogous

#0E2B5D #180E5D #3F0E5D

triadic

#180E5D #5D180E #0E5D18

tetradic

#180E5D #5D0E2B #535D0E #0E5D3F

square

#180E5D #5D0E2B #535D0E #0E5D3F

split-complementary

#180E5D #5D3F0E #2B5D0E

monochromatic

#07041B #0A0628 #180E5D #261692 #331EC7

Accessibility & contrast

On white

16.67

#180E5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#180E5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180E5D

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180E5D	#FFFFFF	#000000	##FFFFFF
##180E5D	1.00	16.67	1.26	16.67
#FFFFFF	16.67	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215F

Deuteranopia (green-blind)

#001B5C

Tritanopia (blue-blind)

#002636

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #180e5d;
/* rgb */ color: rgb(24, 14, 93);
/* oklch */ color: oklch(24.9% 0.130 277.0);

Tailwind

colors: {
  custom: {
    50: '#624f8c',
    500: '#180e5d',
    950: '#000000',
  },
}

SCSS

$custom: #180e5d;
$custom-light: #624f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#180e5d",
  "rgb": {
    "r": 24,
    "g": 14,
    "b": 93
  },
  "hsl": {
    "h": 247.595,
    "s": 73.832,
    "l": 20.98
  },
  "oklch": {
    "l": 0.24894,
    "c": 0.12993,
    "h": 277
  },
  "luminance": 0.01299
}

Semantic roles & 50–950 ramp

primary

#180E5D

secondary

#8A9730

accent

#F037D9

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #180E5D

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

Preview Lab → · Contrast checker → · Palette generator →