#150F57#150F57

#150F57 is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.1% C 0.122 H 275.8°. Best body text is #FFFFFF at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#150F57
RGB	rgb(21, 15, 87)
HSL	hsl(245, 71%, 20%)
HSV	hsv(245, 83%, 34%)
CMYK	cmyk(75.9%, 82.8%, 0%, 65.9%)
CIE-LAB	lab(10.48, 28.37, -41.89)
CIE-LCH	lch(10.48, 50.59, 304.11°)
OKLab	oklab(24.06% 0.0123 -0.1211)
OKLCH	oklch(24.06% 0.122 275.8)
XYZ	xyz(2.1998, 1.1890, 9.1285)
Luminance	0.0119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150F57 #51570F

analogous

#0F2D57 #150F57 #390F57

triadic

#150F57 #57150F #0F5715

tetradic

#150F57 #570F2D #51570F #0F5739

square

#150F57 #570F2D #51570F #0F5739

split-complementary

#150F57 #57390F #2D570F

monochromatic

#06051A #080623 #150F57 #22188B #2E21BF

Accessibility & contrast

On white

16.97

#150F57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#150F57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150F57

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150F57	#FFFFFF	#000000	##FFFFFF
##150F57	1.00	16.97	1.24	16.97
#FFFFFF	16.97	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002059

Deuteranopia (green-blind)

#001956

Tritanopia (blue-blind)

#002432

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #150f57;
/* rgb */ color: rgb(21, 15, 87);
/* oklch */ color: oklch(24.1% 0.122 275.8);

Tailwind

colors: {
  custom: {
    50: '#5f4f87',
    500: '#150f57',
    950: '#000000',
  },
}

SCSS

$custom: #150f57;
$custom-light: #5f4f87;
$custom-dark: #000000;

JSON

{
  "hex": "#150f57",
  "rgb": {
    "r": 21,
    "g": 15,
    "b": 87
  },
  "hsl": {
    "h": 245,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.24061,
    "c": 0.12172,
    "h": 275.8
  },
  "luminance": 0.01189
}

Semantic roles & 50–950 ramp

primary

#150F57

secondary

#899131

accent

#ED3ADE

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #150F57

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

Preview Lab → · Contrast checker → · Palette generator →