#150B4C#150B4C

#150B4C is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 22.1% C 0.111 H 279.3°. Best body text is #FFFFFF at 17.73:1 contrast (WCAG AA passes).

Color values

HEX	#150B4C
RGB	rgb(21, 11, 76)
HSL	hsl(249, 75%, 17%)
HSV	hsv(249, 86%, 30%)
CMYK	cmyk(72.4%, 85.5%, 0%, 70.2%)
CIE-LAB	lab(8.31, 26.82, -37.91)
CIE-LCH	lch(8.31, 46.44, 305.27°)
OKLab	oklab(22.15% 0.0179 -0.1095)
OKLCH	oklch(22.15% 0.111 279.3)
XYZ	xyz(1.7330, 0.9204, 6.9224)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.70

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150B4C #424C0B

analogous

#0B224C #150B4C #360B4C

triadic

#150B4C #4C150B #0B4C15

tetradic

#150B4C #4C0B22 #424C0B #0B4C36

square

#150B4C #4C0B22 #424C0B #0B4C36

split-complementary

#150B4C #4C360B #224C0B

monochromatic

#07041B #07041B #150B4C #241381 #331AB7

Accessibility & contrast

On white

17.73

#150B4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#150B4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150B4C

17.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150B4C	#FFFFFF	#000000	##FFFFFF
##150B4C	1.00	17.73	1.18	17.73
#FFFFFF	17.73	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4E

Deuteranopia (green-blind)

#00164B

Tritanopia (blue-blind)

#001E2B

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #150b4c;
/* rgb */ color: rgb(21, 11, 76);
/* oklch */ color: oklch(22.1% 0.111 279.3);

Tailwind

colors: {
  custom: {
    50: '#5c4c7f',
    500: '#150b4c',
    950: '#000000',
  },
}

SCSS

$custom: #150b4c;
$custom-light: #5c4c7f;
$custom-dark: #000000;

JSON

{
  "hex": "#150b4c",
  "rgb": {
    "r": 21,
    "g": 11,
    "b": 76
  },
  "hsl": {
    "h": 249.231,
    "s": 74.713,
    "l": 17.059
  },
  "oklch": {
    "l": 0.22145,
    "c": 0.11091,
    "h": 279.3
  },
  "luminance": 0.00921
}

Semantic roles & 50–950 ramp

primary

#150B4C

secondary

#7A882B

accent

#F136D5

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #150B4C

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

Preview Lab → · Contrast checker → · Palette generator →