#150C57#150C57

#150C57 is a very dark, vivid blue. Relative luminance 0.011; OKLCH L 23.6% C 0.125 H 276.4°. Best body text is #FFFFFF at 17.18:1 contrast (WCAG AA passes).

Color values

HEX	#150C57
RGB	rgb(21, 12, 87)
HSL	hsl(247, 76%, 19%)
HSV	hsv(247, 86%, 34%)
CMYK	cmyk(75.9%, 86.2%, 0%, 65.9%)
CIE-LAB	lab(9.88, 30.09, -42.87)
CIE-LCH	lch(9.88, 52.38, 305.06°)
OKLab	oklab(23.64% 0.0139 -0.1239)
OKLCH	oklch(23.64% 0.125 276.4)
XYZ	xyz(2.1605, 1.1103, 9.1154)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150C57 #4E570C

analogous

#0C2957 #150C57 #3B0C57

triadic

#150C57 #57150C #0C5715

tetradic

#150C57 #570C29 #4E570C #0C573B

square

#150C57 #570C29 #4E570C #0C573B

split-complementary

#150C57 #573B0C #29570C

monochromatic

#06041B #080521 #150C57 #22138D #2F1BC3

Accessibility & contrast

On white

17.18

#150C57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#150C57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150C57

17.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150C57	#FFFFFF	#000000	##FFFFFF
##150C57	1.00	17.18	1.22	17.18
#FFFFFF	17.18	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E59

Deuteranopia (green-blind)

#001856

Tritanopia (blue-blind)

#002332

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #150c57;
/* rgb */ color: rgb(21, 12, 87);
/* oklch */ color: oklch(23.6% 0.125 276.4);

Tailwind

colors: {
  custom: {
    50: '#5f4d87',
    500: '#150c57',
    950: '#000000',
  },
}

SCSS

$custom: #150c57;
$custom-light: #5f4d87;
$custom-dark: #000000;

JSON

{
  "hex": "#150c57",
  "rgb": {
    "r": 21,
    "g": 12,
    "b": 87
  },
  "hsl": {
    "h": 247.2,
    "s": 75.758,
    "l": 19.412
  },
  "oklch": {
    "l": 0.23643,
    "c": 0.1247,
    "h": 276.4
  },
  "luminance": 0.0111
}

Semantic roles & 50–950 ramp

primary

#150C57

secondary

#86922D

accent

#F235DC

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05010B

muted

#7A777C

Preview Lab

Preview with #150C57

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

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