#150C4B#150C4B

#150C4B is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 22.2% C 0.108 H 279.3°. Best body text is #FFFFFF at 17.71:1 contrast (WCAG AA passes).

Color values

HEX	#150C4B
RGB	rgb(21, 12, 75)
HSL	hsl(249, 72%, 17%)
HSV	hsv(249, 84%, 29%)
CMYK	cmyk(72%, 84%, 0%, 70.6%)
CIE-LAB	lab(8.40, 25.87, -37.07)
CIE-LCH	lch(8.40, 45.21, 304.91°)
OKLab	oklab(22.17% 0.0175 -0.107)
OKLCH	oklch(22.17% 0.108 279.3)
XYZ	xyz(1.7103, 0.9302, 6.7447)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.44

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150C4B #424B0C

analogous

#0C234B #150C4B #350C4B

triadic

#150C4B #4B150C #0C4B15

tetradic

#150C4B #4B0C23 #424B0C #0C4B35

square

#150C4B #4B0C23 #424B0C #0C4B35

split-complementary

#150C4B #4B350C #234B0C

monochromatic

#07041A #07041A #150C4B #241480 #331DB5

Accessibility & contrast

On white

17.71

#150C4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#150C4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150C4B

17.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150C4B	#FFFFFF	#000000	##FFFFFF
##150C4B	1.00	17.71	1.19	17.71
#FFFFFF	17.71	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4D

Deuteranopia (green-blind)

#00164A

Tritanopia (blue-blind)

#001E2B

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #150c4b;
/* rgb */ color: rgb(21, 12, 75);
/* oklch */ color: oklch(22.2% 0.108 279.3);

Tailwind

colors: {
  custom: {
    50: '#5c4c7e',
    500: '#150c4b',
    950: '#000000',
  },
}

SCSS

$custom: #150c4b;
$custom-light: #5c4c7e;
$custom-dark: #000000;

JSON

{
  "hex": "#150c4b",
  "rgb": {
    "r": 21,
    "g": 12,
    "b": 75
  },
  "hsl": {
    "h": 248.571,
    "s": 72.414,
    "l": 17.059
  },
  "oklch": {
    "l": 0.2217,
    "c": 0.10846,
    "h": 279.3
  },
  "luminance": 0.0093
}

Semantic roles & 50–950 ramp

primary

#150C4B

secondary

#7A872C

accent

#EF39D5

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #150C4B

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

Preview Lab → · Contrast checker → · Palette generator →