#150D3F#150D3F

#150D3F is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.9% C 0.090 H 282.7°. Best body text is #FFFFFF at 18.08:1 contrast (WCAG AA passes).

Color values

HEX	#150D3F
RGB	rgb(21, 13, 63)
HSL	hsl(250, 66%, 15%)
HSV	hsv(250, 79%, 25%)
CMYK	cmyk(66.7%, 79.4%, 0%, 75.3%)
CIE-LAB	lab(7.28, 20.74, -30.44)
CIE-LCH	lch(7.28, 36.84, 304.27°)
OKLab	oklab(20.95% 0.0197 -0.0878)
OKLCH	oklch(20.95% 0.09 282.7)
XYZ	xyz(1.3501, 0.8061, 4.7861)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150D3F #373F0D

analogous

#0D1E3F #150D3F #2E0D3F

triadic

#150D3F #3F150D #0D3F15

tetradic

#150D3F #3F0D1E #373F0D #0D3F2E

square

#150D3F #3F0D1E #373F0D #0D3F2E

split-complementary

#150D3F #3F2E0D #1E3F0D

monochromatic

#080519 #080519 #150D3F #261772 #3722A4

Accessibility & contrast

On white

18.08

#150D3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#150D3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150D3F

18.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150D3F	#FFFFFF	#000000	##FFFFFF
##150D3F	1.00	18.08	1.16	18.08
#FFFFFF	18.08	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001841

Deuteranopia (green-blind)

#00143E

Tritanopia (blue-blind)

#011A24

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #150d3f;
/* rgb */ color: rgb(21, 13, 63);
/* oklch */ color: oklch(20.9% 0.090 282.7);

Tailwind

colors: {
  custom: {
    50: '#584c75',
    500: '#150d3f',
    950: '#000000',
  },
}

SCSS

$custom: #150d3f;
$custom-light: #584c75;
$custom-dark: #000000;

JSON

{
  "hex": "#150d3f",
  "rgb": {
    "r": 21,
    "g": 13,
    "b": 63
  },
  "hsl": {
    "h": 249.6,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.2095,
    "c": 0.08997,
    "h": 282.7
  },
  "luminance": 0.00806
}

Semantic roles & 50–950 ramp

primary

#150D3F

secondary

#6E7B2D

accent

#E93FCE

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #150D3F

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

Preview Lab → · Contrast checker → · Palette generator →