#150C55#150C55

#150C55 is a very dark, vivid blue. Relative luminance 0.011; OKLCH L 23.4% C 0.122 H 276.8°. Best body text is #FFFFFF at 17.28:1 contrast (WCAG AA passes).

Color values

HEX	#150C55
RGB	rgb(21, 12, 85)
HSL	hsl(247, 75%, 19%)
HSV	hsv(247, 86%, 33%)
CMYK	cmyk(75.3%, 85.9%, 0%, 66.7%)
CIE-LAB	lab(9.63, 29.40, -41.93)
CIE-LCH	lch(9.63, 51.21, 305.03°)
OKLab	oklab(23.39% 0.0145 -0.1212)
OKLCH	oklch(23.39% 0.122 276.8)
XYZ	xyz(2.0799, 1.0781, 8.6910)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150C55 #4C550C

analogous

#0C2855 #150C55 #3A0C55

triadic

#150C55 #55150C #0C5515

tetradic

#150C55 #550C28 #4C550C #0C553A

square

#150C55 #550C28 #4C550C #0C553A

split-complementary

#150C55 #553A0C #28550C

monochromatic

#07041B #08041F #150C55 #22148B #2F1BC0

Accessibility & contrast

On white

17.28

#150C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#150C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150C55

17.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150C55	#FFFFFF	#000000	##FFFFFF
##150C55	1.00	17.28	1.22	17.28
#FFFFFF	17.28	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E57

Deuteranopia (green-blind)

#001854

Tritanopia (blue-blind)

#002231

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #150c55;
/* rgb */ color: rgb(21, 12, 85);
/* oklch */ color: oklch(23.4% 0.122 276.8);

Tailwind

colors: {
  custom: {
    50: '#5e4d86',
    500: '#150c55',
    950: '#000000',
  },
}

SCSS

$custom: #150c55;
$custom-light: #5e4d86;
$custom-dark: #000000;

JSON

{
  "hex": "#150c55",
  "rgb": {
    "r": 21,
    "g": 12,
    "b": 85
  },
  "hsl": {
    "h": 247.397,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.23393,
    "c": 0.12205,
    "h": 276.8
  },
  "luminance": 0.01078
}

Semantic roles & 50–950 ramp

primary

#150C55

secondary

#84902D

accent

#F236DB

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05010B

muted

#79777C

Preview Lab

Preview with #150C55

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

Preview Lab → · Contrast checker → · Palette generator →