#180F64#180F64

#180F64 is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.9% C 0.138 H 275.5°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#180F64
RGB	rgb(24, 15, 100)
HSL	hsl(246, 74%, 23%)
HSV	hsv(246, 85%, 39%)
CMYK	cmyk(76%, 85%, 0%, 60.8%)
CIE-LAB	lab(12.32, 33.20, -47.55)
CIE-LCH	lch(12.32, 57.99, 304.92°)
OKLab	oklab(25.89% 0.0132 -0.1375)
OKLCH	oklch(25.89% 0.138 275.5)
XYZ	xyz(2.8470, 1.4557, 12.1851)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180F64 #5B640F

analogous

#0F3064 #180F64 #430F64

triadic

#180F64 #64180F #0F6418

tetradic

#180F64 #640F30 #5B640F #0F6443

square

#180F64 #640F30 #5B640F #0F6443

split-complementary

#180F64 #64430F #30640F

monochromatic

#06041B #0B072F #180F64 #251799 #321FCE

Accessibility & contrast

On white

16.26

#180F64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#180F64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180F64

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180F64	#FFFFFF	#000000	##FFFFFF
##180F64	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002466

Deuteranopia (green-blind)

#001C63

Tritanopia (blue-blind)

#00293A

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #180f64;
/* rgb */ color: rgb(24, 15, 100);
/* oklch */ color: oklch(25.9% 0.138 275.5);

Tailwind

colors: {
  custom: {
    50: '#635091',
    500: '#180f64',
    950: '#000000',
  },
}

SCSS

$custom: #180f64;
$custom-light: #635091;
$custom-dark: #000000;

JSON

{
  "hex": "#180f64",
  "rgb": {
    "r": 24,
    "g": 15,
    "b": 100
  },
  "hsl": {
    "h": 246.353,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.25886,
    "c": 0.13809,
    "h": 275.5
  },
  "luminance": 0.01456
}

Semantic roles & 50–950 ramp

primary

#180F64

secondary

#929D32

accent

#F137DD

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #180F64

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

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