#151C33#151C33

#151C33 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 23.2% C 0.046 H 269.8°. Best body text is #FFFFFF at 16.86:1 contrast (WCAG AA passes).

Color values

HEX	#151C33
RGB	rgb(21, 28, 51)
HSL	hsl(226, 42%, 14%)
HSV	hsv(226, 59%, 20%)
CMYK	cmyk(58.8%, 45.1%, 0%, 80%)
CIE-LAB	lab(10.77, 4.86, -16.20)
CIE-LCH	lch(10.77, 16.91, 286.70°)
OKLab	oklab(23.25% -0.0002 -0.0457)
OKLCH	oklch(23.25% 0.046 269.8)
XYZ	xyz(1.3219, 1.2289, 3.2989)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C33 #332C15

analogous

#152B33 #151C33 #1D1533

triadic

#151C33 #33151C #1C3315

tetradic

#151C33 #33152B #332C15 #15331D

square

#151C33 #33152B #332C15 #15331D

split-complementary

#151C33 #331D15 #2B3315

monochromatic

#090C16 #090C16 #151C33 #27345E #394C8A

Accessibility & contrast

On white

16.86

#151C33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#151C33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C33

16.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C33	#FFFFFF	#000000	##FFFFFF
##151C33	1.00	16.86	1.25	16.86
#FFFFFF	16.86	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131E34

Deuteranopia (green-blind)

#101C32

Tritanopia (blue-blind)

#092125

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #151c33;
/* rgb */ color: rgb(21, 28, 51);
/* oklch */ color: oklch(23.2% 0.046 269.8);

Tailwind

colors: {
  custom: {
    50: '#54576b',
    500: '#151c33',
    950: '#000000',
  },
}

SCSS

$custom: #151c33;
$custom-light: #54576b;
$custom-dark: #000000;

JSON

{
  "hex": "#151c33",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 51
  },
  "hsl": {
    "h": 226,
    "s": 41.667,
    "l": 14.118
  },
  "oklch": {
    "l": 0.23249,
    "c": 0.04574,
    "h": 269.8
  },
  "luminance": 0.01229
}

Semantic roles & 50–950 ramp

primary

#151C33

secondary

#6A5F3A

accent

#B556D1

background

#F5F5F6

surface

#E8E9EB

border

#C4C5C6

text

#030306

muted

#78787A

Preview Lab

Preview with #151C33

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

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