#180D5F#180D5F

#180D5F is a dark, vivid blue. Relative luminance 0.013; OKLCH L 25.0% C 0.133 H 276.7°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#180D5F
RGB	rgb(24, 13, 95)
HSL	hsl(248, 76%, 21%)
HSV	hsv(248, 86%, 37%)
CMYK	cmyk(74.7%, 86.3%, 0%, 62.7%)
CIE-LAB	lab(11.33, 32.57, -45.86)
CIE-LCH	lch(11.33, 56.24, 305.38°)
OKLab	oklab(25.01% 0.0156 -0.1325)
OKLCH	oklch(25.01% 0.133 276.7)
XYZ	xyz(2.5855, 1.3080, 10.9405)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180D5F #545F0D

analogous

#0D2B5F #180D5F #410D5F

triadic

#180D5F #5F180D #0D5F18

tetradic

#180D5F #5F0D2B #545F0D #0D5F41

square

#180D5F #5F0D2B #545F0D #0D5F41

split-complementary

#180D5F #5F410D #2B5F0D

monochromatic

#07041B #0A0629 #180D5F #261495 #331CCB

Accessibility & contrast

On white

16.65

#180D5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#180D5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180D5F

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180D5F	#FFFFFF	#000000	##FFFFFF
##180D5F	1.00	16.65	1.26	16.65
#FFFFFF	16.65	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002161

Deuteranopia (green-blind)

#001B5E

Tritanopia (blue-blind)

#002737

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #180d5f;
/* rgb */ color: rgb(24, 13, 95);
/* oklch */ color: oklch(25.0% 0.133 276.7);

Tailwind

colors: {
  custom: {
    50: '#624e8d',
    500: '#180d5f',
    950: '#000000',
  },
}

SCSS

$custom: #180d5f;
$custom-light: #624e8d;
$custom-dark: #000000;

JSON

{
  "hex": "#180d5f",
  "rgb": {
    "r": 24,
    "g": 13,
    "b": 95
  },
  "hsl": {
    "h": 248.049,
    "s": 75.926,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25014,
    "c": 0.13344,
    "h": 276.7
  },
  "luminance": 0.01308
}

Semantic roles & 50–950 ramp

primary

#180D5F

secondary

#8B992F

accent

#F335D9

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #180D5F

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

Preview Lab → · Contrast checker → · Palette generator →