#150B4A#150B4A

#150B4A is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.9% C 0.108 H 279.8°. Best body text is #FFFFFF at 17.82:1 contrast (WCAG AA passes).

Color values

HEX	#150B4A
RGB	rgb(21, 11, 74)
HSL	hsl(250, 74%, 17%)
HSV	hsv(250, 85%, 29%)
CMYK	cmyk(71.6%, 85.1%, 0%, 71%)
CIE-LAB	lab(8.07, 26.11, -36.92)
CIE-LCH	lch(8.07, 45.22, 305.27°)
OKLab	oklab(21.9% 0.0185 -0.1066)
OKLCH	oklch(21.9% 0.108 279.8)
XYZ	xyz(1.6646, 0.8931, 6.5619)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.41

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150B4A #404A0B

analogous

#0B214A #150B4A #350B4A

triadic

#150B4A #4A150B #0B4A15

tetradic

#150B4A #4A0B21 #404A0B #0B4A35

square

#150B4A #4A0B21 #404A0B #0B4A35

split-complementary

#150B4A #4A350B #214A0B

monochromatic

#08041B #08041B #150B4A #24137F #331BB5

Accessibility & contrast

On white

17.82

#150B4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#150B4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150B4A

17.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150B4A	#FFFFFF	#000000	##FFFFFF
##150B4A	1.00	17.82	1.18	17.82
#FFFFFF	17.82	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A4C

Deuteranopia (green-blind)

#001549

Tritanopia (blue-blind)

#001E2A

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #150b4a;
/* rgb */ color: rgb(21, 11, 74);
/* oklch */ color: oklch(21.9% 0.108 279.8);

Tailwind

colors: {
  custom: {
    50: '#5c4b7d',
    500: '#150b4a',
    950: '#000000',
  },
}

SCSS

$custom: #150b4a;
$custom-light: #5c4b7d;
$custom-dark: #000000;

JSON

{
  "hex": "#150b4a",
  "rgb": {
    "r": 21,
    "g": 11,
    "b": 74
  },
  "hsl": {
    "h": 249.524,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.21903,
    "c": 0.10817,
    "h": 279.8
  },
  "luminance": 0.00893
}

Semantic roles & 50–950 ramp

primary

#150B4A

secondary

#78862B

accent

#F137D3

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #150B4A

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

Preview Lab → · Contrast checker → · Palette generator →