#180E63#180E63

#180E63 is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.6% C 0.138 H 275.8°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#180E63
RGB	rgb(24, 14, 99)
HSL	hsl(247, 75%, 22%)
HSV	hsv(247, 86%, 39%)
CMYK	cmyk(75.8%, 85.9%, 0%, 61.2%)
CIE-LAB	lab(12.02, 33.39, -47.39)
CIE-LCH	lch(12.02, 57.97, 305.16°)
OKLab	oklab(25.64% 0.0139 -0.137)
OKLCH	oklch(25.64% 0.138 275.8)
XYZ	xyz(2.7851, 1.4089, 11.9271)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180E63 #59630E

analogous

#0E2F63 #180E63 #430E63

triadic

#180E63 #63180E #0E6318

tetradic

#180E63 #630E2F #59630E #0E6343

square

#180E63 #630E2F #59630E #0E6343

split-complementary

#180E63 #63430E #2F630E

monochromatic

#06041B #0B062D #180E63 #251699 #321DCE

Accessibility & contrast

On white

16.38

#180E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#180E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180E63

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180E63	#FFFFFF	#000000	##FFFFFF
##180E63	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	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: #180e63;
/* rgb */ color: rgb(24, 14, 99);
/* oklch */ color: oklch(25.6% 0.138 275.8);

Tailwind

colors: {
  custom: {
    50: '#634f90',
    500: '#180e63',
    950: '#000000',
  },
}

SCSS

$custom: #180e63;
$custom-light: #634f90;
$custom-dark: #000000;

JSON

{
  "hex": "#180e63",
  "rgb": {
    "r": 24,
    "g": 14,
    "b": 99
  },
  "hsl": {
    "h": 247.059,
    "s": 75.221,
    "l": 22.157
  },
  "oklch": {
    "l": 0.25636,
    "c": 0.13771,
    "h": 275.8
  },
  "luminance": 0.01409
}

Semantic roles & 50–950 ramp

primary

#180E63

secondary

#909C30

accent

#F236DC

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #180E63

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

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