#151C35#151C35

#151C35 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 23.4% C 0.049 H 270.4°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#151C35
RGB	rgb(21, 28, 53)
HSL	hsl(227, 43%, 15%)
HSV	hsv(227, 60%, 21%)
CMYK	cmyk(60.4%, 47.2%, 0%, 79.2%)
CIE-LAB	lab(10.90, 5.65, -17.43)
CIE-LCH	lch(10.90, 18.32, 287.95°)
OKLab	oklab(23.39% 0.0004 -0.0493)
OKLCH	oklch(23.39% 0.049 270.4)
XYZ	xyz(1.3669, 1.2469, 3.5361)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C35 #352E15

analogous

#152C35 #151C35 #1E1535

triadic

#151C35 #35151C #1C3515

tetradic

#151C35 #35152C #352E15 #15351E

square

#151C35 #35152C #352E15 #15351E

split-complementary

#151C35 #351E15 #2C3515

monochromatic

#090C16 #090C16 #151C35 #263361 #384A8D

Accessibility & contrast

On white

16.81

#151C35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#151C35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C35

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C35	#FFFFFF	#000000	##FFFFFF
##151C35	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#121F36

Deuteranopia (green-blind)

#0F1C34

Tritanopia (blue-blind)

#072125

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #151c35;
/* rgb */ color: rgb(21, 28, 53);
/* oklch */ color: oklch(23.4% 0.049 270.4);

Tailwind

colors: {
  custom: {
    50: '#55576c',
    500: '#151c35',
    950: '#000000',
  },
}

SCSS

$custom: #151c35;
$custom-light: #55576c;
$custom-dark: #000000;

JSON

{
  "hex": "#151c35",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 53
  },
  "hsl": {
    "h": 226.875,
    "s": 43.243,
    "l": 14.51
  },
  "oklch": {
    "l": 0.23392,
    "c": 0.04935,
    "h": 270.4
  },
  "luminance": 0.01247
}

Semantic roles & 50–950 ramp

primary

#151C35

secondary

#6C613A

accent

#B755D3

background

#F5F5F6

surface

#E9E9EB

border

#C5C5C6

text

#030307

muted

#78787A

Preview Lab

Preview with #151C35

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

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