#151E2C#151E2C

#151E2C is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.3% C 0.030 H 259.0°. Best body text is #FFFFFF at 16.75:1 contrast (WCAG AA passes).

Color values

HEX	#151E2C
RGB	rgb(21, 30, 44)
HSL	hsl(217, 35%, 13%)
HSV	hsv(217, 52%, 17%)
CMYK	cmyk(52.3%, 31.8%, 0%, 82.7%)
CIE-LAB	lab(11.06, 0.68, -10.66)
CIE-LCH	lch(11.06, 10.68, 273.63°)
OKLab	oklab(23.34% -0.0057 -0.0297)
OKLCH	oklch(23.34% 0.03 259)
XYZ	xyz(1.2280, 1.2698, 2.5628)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151E2C #2C2315

analogous

#15292C #151E2C #17152C

triadic

#151E2C #2C151E #1E2C15

tetradic

#151E2C #2C1529 #2C2315 #152C17

square

#151E2C #2C1529 #2C2315 #152C17

split-complementary

#151E2C #2C1715 #292C15

monochromatic

#0A0E15 #0A0E15 #151E2C #293A55 #3D567F

Accessibility & contrast

On white

16.75

#151E2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#151E2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151E2C

16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151E2C	#FFFFFF	#000000	##FFFFFF
##151E2C	1.00	16.75	1.25	16.75
#FFFFFF	16.75	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191F2D

Deuteranopia (green-blind)

#161D2C

Tritanopia (blue-blind)

#0D2123

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #151e2c;
/* rgb */ color: rgb(21, 30, 44);
/* oklch */ color: oklch(23.3% 0.030 259.0);

Tailwind

colors: {
  custom: {
    50: '#535965',
    500: '#151e2c',
    950: '#000000',
  },
}

SCSS

$custom: #151e2c;
$custom-light: #535965;
$custom-dark: #000000;

JSON

{
  "hex": "#151e2c",
  "rgb": {
    "r": 21,
    "g": 30,
    "b": 44
  },
  "hsl": {
    "h": 216.522,
    "s": 35.385,
    "l": 12.745
  },
  "oklch": {
    "l": 0.23342,
    "c": 0.03024,
    "h": 259
  },
  "luminance": 0.0127
}

Semantic roles & 50–950 ramp

primary

#151E2C

secondary

#62533B

accent

#A05CCB

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020305

muted

#78787A

Preview Lab

Preview with #151E2C

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

Preview Lab → · Contrast checker → · Palette generator →