#150F51#150F51

#150F51 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.3% C 0.113 H 277.0°. Best body text is #FFFFFF at 17.23:1 contrast (WCAG AA passes).

Color values

HEX	#150F51
RGB	rgb(21, 15, 81)
HSL	hsl(245, 69%, 19%)
HSV	hsv(245, 81%, 32%)
CMYK	cmyk(74.1%, 81.5%, 0%, 68.2%)
CIE-LAB	lab(9.76, 26.19, -38.97)
CIE-LCH	lch(9.76, 46.96, 303.91°)
OKLab	oklab(23.34% 0.0139 -0.1126)
OKLCH	oklch(23.34% 0.113 277)
XYZ	xyz(1.9648, 1.0950, 7.8908)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150F51 #4B510F

analogous

#0F2A51 #150F51 #360F51

triadic

#150F51 #51150F #0F5115

tetradic

#150F51 #510F2A #4B510F #0F5136

square

#150F51 #510F2A #4B510F #0F5136

split-complementary

#150F51 #51360F #2A510F

monochromatic

#07051A #08051D #150F51 #221985 #3022B8

Accessibility & contrast

On white

17.23

#150F51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#150F51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150F51

17.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150F51	#FFFFFF	#000000	##FFFFFF
##150F51	1.00	17.23	1.22	17.23
#FFFFFF	17.23	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E53

Deuteranopia (green-blind)

#001850

Tritanopia (blue-blind)

#00222F

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #150f51;
/* rgb */ color: rgb(21, 15, 81);
/* oklch */ color: oklch(23.3% 0.113 277.0);

Tailwind

colors: {
  custom: {
    50: '#5d4e83',
    500: '#150f51',
    950: '#000000',
  },
}

SCSS

$custom: #150f51;
$custom-light: #5d4e83;
$custom-dark: #000000;

JSON

{
  "hex": "#150f51",
  "rgb": {
    "r": 21,
    "g": 15,
    "b": 81
  },
  "hsl": {
    "h": 245.455,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.23342,
    "c": 0.11346,
    "h": 277
  },
  "luminance": 0.01095
}

Semantic roles & 50–950 ramp

primary

#150F51

secondary

#838B31

accent

#EC3CDC

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #150F51

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

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