#150B50#150B50

#150B50 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.6% C 0.116 H 278.2°. Best body text is #FFFFFF at 17.56:1 contrast (WCAG AA passes).

Color values

HEX	#150B50
RGB	rgb(21, 11, 80)
HSL	hsl(249, 76%, 18%)
HSV	hsv(249, 86%, 31%)
CMYK	cmyk(73.7%, 86.3%, 0%, 68.6%)
CIE-LAB	lab(8.81, 28.22, -39.86)
CIE-LCH	lch(8.81, 48.84, 305.29°)
OKLab	oklab(22.64% 0.0166 -0.1151)
OKLCH	oklch(22.64% 0.116 278.2)
XYZ	xyz(1.8764, 0.9778, 7.6777)
Luminance	0.0098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150B50 #46500B

analogous

#0B2350 #150B50 #370B50

triadic

#150B50 #50150B #0B5015

tetradic

#150B50 #500B23 #46500B #0B5037

square

#150B50 #500B23 #46500B #0B5037

split-complementary

#150B50 #50370B #23500B

monochromatic

#07041B #07041B #150B50 #231286 #311ABC

Accessibility & contrast

On white

17.56

#150B50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#150B50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150B50

17.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150B50	#FFFFFF	#000000	##FFFFFF
##150B50	1.00	17.56	1.20	17.56
#FFFFFF	17.56	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C52

Deuteranopia (green-blind)

#00164F

Tritanopia (blue-blind)

#00202D

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #150b50;
/* rgb */ color: rgb(21, 11, 80);
/* oklch */ color: oklch(22.6% 0.116 278.2);

Tailwind

colors: {
  custom: {
    50: '#5d4c82',
    500: '#150b50',
    950: '#000000',
  },
}

SCSS

$custom: #150b50;
$custom-light: #5d4c82;
$custom-dark: #000000;

JSON

{
  "hex": "#150b50",
  "rgb": {
    "r": 21,
    "g": 11,
    "b": 80
  },
  "hsl": {
    "h": 248.696,
    "s": 75.824,
    "l": 17.843
  },
  "oklch": {
    "l": 0.22637,
    "c": 0.11633,
    "h": 278.2
  },
  "luminance": 0.00978
}

Semantic roles & 50–950 ramp

primary

#150B50

secondary

#7E8C2B

accent

#F235D7

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05010A

muted

#79777C

Preview Lab

Preview with #150B50

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

Preview Lab → · Contrast checker → · Palette generator →