#150D4B#150D4B

#150D4B is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.3% C 0.107 H 279.0°. Best body text is #FFFFFF at 17.63:1 contrast (WCAG AA passes).

Color values

HEX	#150D4B
RGB	rgb(21, 13, 75)
HSL	hsl(248, 70%, 17%)
HSV	hsv(248, 83%, 29%)
CMYK	cmyk(72%, 82.7%, 0%, 70.6%)
CIE-LAB	lab(8.61, 25.26, -36.72)
CIE-LCH	lch(8.61, 44.56, 304.52°)
OKLab	oklab(22.32% 0.0168 -0.106)
OKLCH	oklch(22.32% 0.107 279)
XYZ	xyz(1.7228, 0.9551, 6.7488)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150D4B #434B0D

analogous

#0D244B #150D4B #340D4B

triadic

#150D4B #4B150D #0D4B15

tetradic

#150D4B #4B0D24 #434B0D #0D4B34

square

#150D4B #4B0D24 #434B0D #0D4B34

split-complementary

#150D4B #4B340D #244B0D

monochromatic

#07051A #07051A #150D4B #24167F #321FB3

Accessibility & contrast

On white

17.63

#150D4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#150D4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150D4B

17.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150D4B	#FFFFFF	#000000	##FFFFFF
##150D4B	1.00	17.63	1.19	17.63
#FFFFFF	17.63	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4D

Deuteranopia (green-blind)

#00164A

Tritanopia (blue-blind)

#001F2B

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #150d4b;
/* rgb */ color: rgb(21, 13, 75);
/* oklch */ color: oklch(22.3% 0.107 279.0);

Tailwind

colors: {
  custom: {
    50: '#5c4d7e',
    500: '#150d4b',
    950: '#000000',
  },
}

SCSS

$custom: #150d4b;
$custom-light: #5c4d7e;
$custom-dark: #000000;

JSON

{
  "hex": "#150d4b",
  "rgb": {
    "r": 21,
    "g": 13,
    "b": 75
  },
  "hsl": {
    "h": 247.742,
    "s": 70.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.22322,
    "c": 0.10733,
    "h": 279
  },
  "luminance": 0.00955
}

Semantic roles & 50–950 ramp

primary

#150D4B

secondary

#7B862E

accent

#ED3BD6

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #150D4B

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

Preview Lab → · Contrast checker → · Palette generator →