#150C54#150C54

#150C54 is a very dark, vivid blue. Relative luminance 0.011; OKLCH L 23.3% C 0.121 H 277.1°. Best body text is #FFFFFF at 17.32:1 contrast (WCAG AA passes).

Color values

HEX	#150C54
RGB	rgb(21, 12, 84)
HSL	hsl(248, 75%, 19%)
HSV	hsv(248, 86%, 33%)
CMYK	cmyk(75%, 85.7%, 0%, 67.1%)
CIE-LAB	lab(9.50, 29.05, -41.46)
CIE-LCH	lch(9.50, 50.62, 305.02°)
OKLab	oklab(23.27% 0.0148 -0.1198)
OKLCH	oklch(23.27% 0.121 277.1)
XYZ	xyz(2.0404, 1.0623, 8.4833)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150C54 #4B540C

analogous

#0C2754 #150C54 #390C54

triadic

#150C54 #54150C #0C5415

tetradic

#150C54 #540C27 #4B540C #0C5439

square

#150C54 #540C27 #4B540C #0C5439

split-complementary

#150C54 #54390C #27540C

monochromatic

#07041B #08041E #150C54 #22148A #301BBF

Accessibility & contrast

On white

17.32

#150C54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#150C54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150C54

17.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150C54	#FFFFFF	#000000	##FFFFFF
##150C54	1.00	17.32	1.21	17.32
#FFFFFF	17.32	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D56

Deuteranopia (green-blind)

#001753

Tritanopia (blue-blind)

#002230

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #150c54;
/* rgb */ color: rgb(21, 12, 84);
/* oklch */ color: oklch(23.3% 0.121 277.1);

Tailwind

colors: {
  custom: {
    50: '#5e4d85',
    500: '#150c54',
    950: '#000000',
  },
}

SCSS

$custom: #150c54;
$custom-light: #5e4d85;
$custom-dark: #000000;

JSON

{
  "hex": "#150c54",
  "rgb": {
    "r": 21,
    "g": 12,
    "b": 84
  },
  "hsl": {
    "h": 247.5,
    "s": 75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.23269,
    "c": 0.12071,
    "h": 277.1
  },
  "luminance": 0.01062
}

Semantic roles & 50–950 ramp

primary

#150C54

secondary

#838F2D

accent

#F236DA

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05010B

muted

#79777C

Preview Lab

Preview with #150C54

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

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