#180F63#180F63

#180F63 is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.8% C 0.137 H 275.7°. Best body text is #FFFFFF at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#180F63
RGB	rgb(24, 15, 99)
HSL	hsl(246, 74%, 22%)
HSV	hsv(246, 85%, 39%)
CMYK	cmyk(75.8%, 84.8%, 0%, 61.2%)
CIE-LAB	lab(12.20, 32.86, -47.09)
CIE-LCH	lch(12.20, 57.42, 304.91°)
OKLab	oklab(25.76% 0.0135 -0.1361)
OKLCH	oklch(25.76% 0.137 275.7)
XYZ	xyz(2.7989, 1.4364, 11.9317)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180F63 #5A630F

analogous

#0F3063 #180F63 #420F63

triadic

#180F63 #63180F #0F6318

tetradic

#180F63 #630F30 #5A630F #0F6342

square

#180F63 #630F30 #5A630F #0F6342

split-complementary

#180F63 #63420F #30630F

monochromatic

#06041B #0B072E #180F63 #251798 #321FCD

Accessibility & contrast

On white

16.31

#180F63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#180F63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180F63

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180F63	#FFFFFF	#000000	##FFFFFF
##180F63	1.00	16.31	1.29	16.31
#FFFFFF	16.31	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002365

Deuteranopia (green-blind)

#001C62

Tritanopia (blue-blind)

#002939

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #180f63;
/* rgb */ color: rgb(24, 15, 99);
/* oklch */ color: oklch(25.8% 0.137 275.7);

Tailwind

colors: {
  custom: {
    50: '#635090',
    500: '#180f63',
    950: '#000000',
  },
}

SCSS

$custom: #180f63;
$custom-light: #635090;
$custom-dark: #000000;

JSON

{
  "hex": "#180f63",
  "rgb": {
    "r": 24,
    "g": 15,
    "b": 99
  },
  "hsl": {
    "h": 246.429,
    "s": 73.684,
    "l": 22.353
  },
  "oklch": {
    "l": 0.25763,
    "c": 0.13681,
    "h": 275.7
  },
  "luminance": 0.01437
}

Semantic roles & 50–950 ramp

primary

#180F63

secondary

#919C32

accent

#F037DD

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #180F63

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

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