#180F65#180F65

#180F65 is a dark, vivid blue. Relative luminance 0.015; OKLCH L 26.0% C 0.139 H 275.3°. Best body text is #FFFFFF at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#180F65
RGB	rgb(24, 15, 101)
HSL	hsl(246, 74%, 23%)
HSV	hsv(246, 85%, 40%)
CMYK	cmyk(76.2%, 85.1%, 0%, 60.4%)
CIE-LAB	lab(12.45, 33.54, -48.00)
CIE-LCH	lch(12.45, 58.56, 304.94°)
OKLab	oklab(26.01% 0.0129 -0.1388)
OKLCH	oklch(26.01% 0.139 275.3)
XYZ	xyz(2.8957, 1.4751, 12.4415)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180F65 #5C650F

analogous

#0F3165 #180F65 #430F65

triadic

#180F65 #65180F #0F6518

tetradic

#180F65 #650F31 #5C650F #0F6543

square

#180F65 #650F31 #5C650F #0F6543

split-complementary

#180F65 #65430F #31650F

monochromatic

#06041B #0B0730 #180F65 #25179A #311FD0

Accessibility & contrast

On white

16.22

#180F65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#180F65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180F65

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180F65	#FFFFFF	#000000	##FFFFFF
##180F65	1.00	16.22	1.30	16.22
#FFFFFF	16.22	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002467

Deuteranopia (green-blind)

#001C64

Tritanopia (blue-blind)

#002A3A

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #180f65;
/* rgb */ color: rgb(24, 15, 101);
/* oklch */ color: oklch(26.0% 0.139 275.3);

Tailwind

colors: {
  custom: {
    50: '#645092',
    500: '#180f65',
    950: '#000000',
  },
}

SCSS

$custom: #180f65;
$custom-light: #645092;
$custom-dark: #000000;

JSON

{
  "hex": "#180f65",
  "rgb": {
    "r": 24,
    "g": 15,
    "b": 101
  },
  "hsl": {
    "h": 246.279,
    "s": 74.138,
    "l": 22.745
  },
  "oklch": {
    "l": 0.2601,
    "c": 0.13938,
    "h": 275.3
  },
  "luminance": 0.01475
}

Semantic roles & 50–950 ramp

primary

#180F65

secondary

#939E32

accent

#F137DD

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #180F65

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

Preview Lab → · Contrast checker → · Palette generator →