#151A2A#151A2A

#151A2A is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.1% C 0.032 H 270.3°. Best body text is #FFFFFF at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#151A2A
RGB	rgb(21, 26, 42)
HSL	hsl(226, 33%, 12%)
HSV	hsv(226, 50%, 16%)
CMYK	cmyk(50%, 38.1%, 0%, 83.5%)
CIE-LAB	lab(9.52, 2.96, -11.58)
CIE-LCH	lch(9.52, 11.95, 284.32°)
OKLab	oklab(22.11% 0.0002 -0.0323)
OKLCH	oklch(22.11% 0.032 270.3)
XYZ	xyz(1.0964, 1.0653, 2.3379)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A2A #2A2515

analogous

#15252A #151A2A #1B152A

triadic

#151A2A #2A151A #1A2A15

tetradic

#151A2A #2A1525 #2A2515 #152A1B

square

#151A2A #2A1525 #2A2515 #152A1B

split-complementary

#151A2A #2A1B15 #252A15

monochromatic

#0A0D14 #0A0D14 #151A2A #293353 #3E4D7C

Accessibility & contrast

On white

17.31

#151A2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#151A2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A2A

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A2A	#FFFFFF	#000000	##FFFFFF
##151A2A	1.00	17.31	1.21	17.31
#FFFFFF	17.31	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151B2B

Deuteranopia (green-blind)

#131A2A

Tritanopia (blue-blind)

#0E1D20

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #151a2a;
/* rgb */ color: rgb(21, 26, 42);
/* oklch */ color: oklch(22.1% 0.032 270.3);

Tailwind

colors: {
  custom: {
    50: '#535663',
    500: '#151a2a',
    950: '#000000',
  },
}

SCSS

$custom: #151a2a;
$custom-light: #535663;
$custom-dark: #000000;

JSON

{
  "hex": "#151a2a",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 42
  },
  "hsl": {
    "h": 225.714,
    "s": 33.333,
    "l": 12.353
  },
  "oklch": {
    "l": 0.22107,
    "c": 0.03235,
    "h": 270.3
  },
  "luminance": 0.01065
}

Semantic roles & 50–950 ramp

primary

#151A2A

secondary

#5F573B

accent

#B05EC9

background

#F4F5F5

surface

#E7E8EA

border

#C3C4C6

text

#020305

muted

#787879

Preview Lab

Preview with #151A2A

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

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