#180F68#180F68

#180F68 is a dark, vivid blue. Relative luminance 0.015; OKLCH L 26.4% C 0.143 H 274.8°. Best body text is #FFFFFF at 16.07:1 contrast (WCAG AA passes).

Color values

HEX	#180F68
RGB	rgb(24, 15, 104)
HSL	hsl(246, 75%, 23%)
HSV	hsv(246, 86%, 41%)
CMYK	cmyk(76.9%, 85.6%, 0%, 59.2%)
CIE-LAB	lab(12.83, 34.55, -49.35)
CIE-LCH	lch(12.83, 60.24, 304.99°)
OKLab	oklab(26.38% 0.012 -0.1427)
OKLCH	oklch(26.38% 0.143 274.8)
XYZ	xyz(3.0454, 1.5350, 13.2298)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180F68 #5F680F

analogous

#0F3268 #180F68 #440F68

triadic

#180F68 #68180F #0F6818

tetradic

#180F68 #680F32 #5F680F #0F6844

square

#180F68 #680F32 #5F680F #0F6844

split-complementary

#180F68 #68440F #32680F

monochromatic

#06041B #0C0733 #180F68 #24179D #311ED3

Accessibility & contrast

On white

16.07

#180F68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#180F68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180F68

16.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180F68	#FFFFFF	#000000	##FFFFFF
##180F68	1.00	16.07	1.31	16.07
#FFFFFF	16.07	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00256A

Deuteranopia (green-blind)

#001D66

Tritanopia (blue-blind)

#002B3C

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #180f68;
/* rgb */ color: rgb(24, 15, 104);
/* oklch */ color: oklch(26.4% 0.143 274.8);

Tailwind

colors: {
  custom: {
    50: '#645094',
    500: '#180f68',
    950: '#000000',
  },
}

SCSS

$custom: #180f68;
$custom-light: #645094;
$custom-dark: #000000;

JSON

{
  "hex": "#180f68",
  "rgb": {
    "r": 24,
    "g": 15,
    "b": 104
  },
  "hsl": {
    "h": 246.067,
    "s": 74.79,
    "l": 23.333
  },
  "oklch": {
    "l": 0.26384,
    "c": 0.14322,
    "h": 274.8
  },
  "luminance": 0.01535
}

Semantic roles & 50–950 ramp

primary

#180F68

secondary

#95A132

accent

#F136DE

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#06020D

muted

#7A787E

Preview Lab

Preview with #180F68

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

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