#151F35#151F35

#151F35 is a very dark, muted blue. Relative luminance 0.014; OKLCH L 24.2% C 0.045 H 264.7°. Best body text is #FFFFFF at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#151F35
RGB	rgb(21, 31, 53)
HSL	hsl(221, 43%, 15%)
HSV	hsv(221, 60%, 21%)
CMYK	cmyk(60.4%, 41.5%, 0%, 79.2%)
CIE-LAB	lab(11.93, 3.37, -15.80)
CIE-LCH	lch(11.93, 16.15, 282.03°)
OKLab	oklab(24.19% -0.0041 -0.0445)
OKLCH	oklch(24.19% 0.045 264.7)
XYZ	xyz(1.4416, 1.3963, 3.5610)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F35 #352B15

analogous

#152F35 #151F35 #1B1535

triadic

#151F35 #35151F #1F3515

tetradic

#151F35 #35152F #352B15 #15351B

square

#151F35 #35152F #352B15 #15351B

split-complementary

#151F35 #351B15 #2F3515

monochromatic

#090D16 #090D16 #151F35 #263961 #38528D

Accessibility & contrast

On white

16.42

#151F35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#151F35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F35

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F35	#FFFFFF	#000000	##FFFFFF
##151F35	1.00	16.42	1.28	16.42
#FFFFFF	16.42	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#162136

Deuteranopia (green-blind)

#131E35

Tritanopia (blue-blind)

#072427

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #151f35;
/* rgb */ color: rgb(21, 31, 53);
/* oklch */ color: oklch(24.2% 0.045 264.7);

Tailwind

colors: {
  custom: {
    50: '#555a6c',
    500: '#151f35',
    950: '#000000',
  },
}

SCSS

$custom: #151f35;
$custom-light: #555a6c;
$custom-dark: #000000;

JSON

{
  "hex": "#151f35",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 53
  },
  "hsl": {
    "h": 221.25,
    "s": 43.243,
    "l": 14.51
  },
  "oklch": {
    "l": 0.24191,
    "c": 0.04474,
    "h": 264.7
  },
  "luminance": 0.01396
}

Semantic roles & 50–950 ramp

primary

#151F35

secondary

#6C5C3A

accent

#AC55D3

background

#F5F5F6

surface

#E9E9EB

border

#C5C5C6

text

#030307

muted

#78787A

Preview Lab

Preview with #151F35

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

Preview Lab → · Contrast checker → · Palette generator →