#151D35#151D35

#151D35 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.7% C 0.048 H 268.6°. Best body text is #FFFFFF at 16.68:1 contrast (WCAG AA passes).

Color values

HEX	#151D35
RGB	rgb(21, 29, 53)
HSL	hsl(225, 43%, 15%)
HSV	hsv(225, 60%, 21%)
CMYK	cmyk(60.4%, 45.3%, 0%, 79.2%)
CIE-LAB	lab(11.24, 4.88, -16.89)
CIE-LCH	lch(11.24, 17.58, 286.12°)
OKLab	oklab(23.66% -0.0011 -0.0478)
OKLCH	oklch(23.66% 0.048 268.6)
XYZ	xyz(1.3910, 1.2951, 3.5442)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D35 #352D15

analogous

#152D35 #151D35 #1D1535

triadic

#151D35 #35151D #1D3515

tetradic

#151D35 #35152D #352D15 #15351D

square

#151D35 #35152D #352D15 #15351D

split-complementary

#151D35 #351D15 #2D3515

monochromatic

#090C16 #090C16 #151D35 #263561 #384D8D

Accessibility & contrast

On white

16.68

#151D35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#151D35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D35

16.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D35	#FFFFFF	#000000	##FFFFFF
##151D35	1.00	16.68	1.26	16.68
#FFFFFF	16.68	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141F36

Deuteranopia (green-blind)

#101D34

Tritanopia (blue-blind)

#072226

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #151d35;
/* rgb */ color: rgb(21, 29, 53);
/* oklch */ color: oklch(23.7% 0.048 268.6);

Tailwind

colors: {
  custom: {
    50: '#55586c',
    500: '#151d35',
    950: '#000000',
  },
}

SCSS

$custom: #151d35;
$custom-light: #55586c;
$custom-dark: #000000;

JSON

{
  "hex": "#151d35",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 53
  },
  "hsl": {
    "h": 225,
    "s": 43.243,
    "l": 14.51
  },
  "oklch": {
    "l": 0.23655,
    "c": 0.04777,
    "h": 268.6
  },
  "luminance": 0.01295
}

Semantic roles & 50–950 ramp

primary

#151D35

secondary

#6C5F3A

accent

#B355D3

background

#F5F5F6

surface

#E9E9EB

border

#C5C5C6

text

#030307

muted

#78787A

Preview Lab

Preview with #151D35

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

Preview Lab → · Contrast checker → · Palette generator →