#151A2E#151A2E

#151A2E is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.4% C 0.040 H 272.2°. Best body text is #FFFFFF at 17.23:1 contrast (WCAG AA passes).

Color values

HEX	#151A2E
RGB	rgb(21, 26, 46)
HSL	hsl(228, 37%, 13%)
HSV	hsv(228, 54%, 18%)
CMYK	cmyk(54.3%, 43.5%, 0%, 82%)
CIE-LAB	lab(9.76, 4.46, -14.15)
CIE-LCH	lch(9.76, 14.83, 287.49°)
OKLab	oklab(22.37% 0.0015 -0.0398)
OKLCH	oklch(22.37% 0.04 272.2)
XYZ	xyz(1.1716, 1.0954, 2.7339)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A2E #2E2915

analogous

#15262E #151A2E #1C152E

triadic

#151A2E #2E151A #1A2E15

tetradic

#151A2E #2E1526 #2E2915 #152E1C

square

#151A2E #2E1526 #2E2915 #152E1C

split-complementary

#151A2E #2E1C15 #262E15

monochromatic

#0A0C15 #0A0C15 #151A2E #283258 #3B4982

Accessibility & contrast

On white

17.23

#151A2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#151A2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A2E

17.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A2E	#FFFFFF	#000000	##FFFFFF
##151A2E	1.00	17.23	1.22	17.23
#FFFFFF	17.23	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131C2F

Deuteranopia (green-blind)

#111A2E

Tritanopia (blue-blind)

#0C1E21

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #151a2e;
/* rgb */ color: rgb(21, 26, 46);
/* oklch */ color: oklch(22.4% 0.040 272.2);

Tailwind

colors: {
  custom: {
    50: '#545666',
    500: '#151a2e',
    950: '#000000',
  },
}

SCSS

$custom: #151a2e;
$custom-light: #545666;
$custom-dark: #000000;

JSON

{
  "hex": "#151a2e",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 46
  },
  "hsl": {
    "h": 228,
    "s": 37.313,
    "l": 13.137
  },
  "oklch": {
    "l": 0.22369,
    "c": 0.03982,
    "h": 272.2
  },
  "luminance": 0.01095
}

Semantic roles & 50–950 ramp

primary

#151A2E

secondary

#645C3B

accent

#B65BCD

background

#F4F5F6

surface

#E7E8EB

border

#C3C4C6

text

#020306

muted

#78787A

Preview Lab

Preview with #151A2E

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

Preview Lab → · Contrast checker → · Palette generator →