#151A28#151A28

#151A28 is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.0% C 0.029 H 268.9°. Best body text is #FFFFFF at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#151A28
RGB	rgb(21, 26, 40)
HSL	hsl(224, 31%, 12%)
HSV	hsv(224, 48%, 16%)
CMYK	cmyk(47.5%, 35%, 0%, 84.3%)
CIE-LAB	lab(9.41, 2.23, -10.28)
CIE-LCH	lch(9.41, 10.52, 282.22°)
OKLab	oklab(21.98% -0.0006 -0.0286)
OKLCH	oklch(21.98% 0.029 268.9)
XYZ	xyz(1.0615, 1.0514, 2.1541)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A28 #282315

analogous

#152428 #151A28 #1A1528

triadic

#151A28 #28151A #1A2815

tetradic

#151A28 #281524 #282315 #15281A

square

#151A28 #281524 #282315 #15281A

split-complementary

#151A28 #281A15 #242815

monochromatic

#0B0D14 #0B0D14 #151A28 #2A3450 #3F4E78

Accessibility & contrast

On white

17.35

#151A28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#151A28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A28

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A28	#FFFFFF	#000000	##FFFFFF
##151A28	1.00	17.35	1.21	17.35
#FFFFFF	17.35	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151B29

Deuteranopia (green-blind)

#141A28

Tritanopia (blue-blind)

#0F1D1F

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #151a28;
/* rgb */ color: rgb(21, 26, 40);
/* oklch */ color: oklch(22.0% 0.029 268.9);

Tailwind

colors: {
  custom: {
    50: '#535662',
    500: '#151a28',
    950: '#000000',
  },
}

SCSS

$custom: #151a28;
$custom-light: #535662;
$custom-dark: #000000;

JSON

{
  "hex": "#151a28",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 40
  },
  "hsl": {
    "h": 224.211,
    "s": 31.148,
    "l": 11.961
  },
  "oklch": {
    "l": 0.21983,
    "c": 0.02861,
    "h": 268.9
  },
  "luminance": 0.01051
}

Semantic roles & 50–950 ramp

primary

#151A28

secondary

#5D543C

accent

#AC60C7

background

#F4F5F5

surface

#E7E8EA

border

#C3C4C6

text

#020305

muted

#787879

Preview Lab

Preview with #151A28

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

Preview Lab → · Contrast checker → · Palette generator →