#151F37#151F37

#151F37 is a very dark, muted blue. Relative luminance 0.014; OKLCH L 24.3% C 0.048 H 265.8°. Best body text is #FFFFFF at 16.37:1 contrast (WCAG AA passes).

Color values

HEX	#151F37
RGB	rgb(21, 31, 55)
HSL	hsl(222, 45%, 15%)
HSV	hsv(222, 62%, 22%)
CMYK	cmyk(61.8%, 43.6%, 0%, 78.4%)
CIE-LAB	lab(12.06, 4.16, -17.03)
CIE-LCH	lch(12.06, 17.53, 283.72°)
OKLab	oklab(24.33% -0.0035 -0.0481)
OKLCH	oklch(24.33% 0.048 265.8)
XYZ	xyz(1.4886, 1.4151, 3.8084)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F37 #372D15

analogous

#153037 #151F37 #1C1537

triadic

#151F37 #37151F #1F3715

tetradic

#151F37 #371530 #372D15 #15371C

square

#151F37 #371530 #372D15 #15371C

split-complementary

#151F37 #371C15 #303715

monochromatic

#080C16 #080C16 #151F37 #263863 #375190

Accessibility & contrast

On white

16.37

#151F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#151F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F37

16.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F37	#FFFFFF	#000000	##FFFFFF
##151F37	1.00	16.37	1.28	16.37
#FFFFFF	16.37	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#152138

Deuteranopia (green-blind)

#121E36

Tritanopia (blue-blind)

#052428

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #151f37;
/* rgb */ color: rgb(21, 31, 55);
/* oklch */ color: oklch(24.3% 0.048 265.8);

Tailwind

colors: {
  custom: {
    50: '#555a6e',
    500: '#151f37',
    950: '#000000',
  },
}

SCSS

$custom: #151f37;
$custom-light: #555a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#151f37",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 55
  },
  "hsl": {
    "h": 222.353,
    "s": 44.737,
    "l": 14.902
  },
  "oklch": {
    "l": 0.24328,
    "c": 0.04828,
    "h": 265.8
  },
  "luminance": 0.01415
}

Semantic roles & 50–950 ramp

primary

#151F37

secondary

#6E5F3A

accent

#AE53D4

background

#F5F5F6

surface

#E9E9EB

border

#C5C5C6

text

#030307

muted

#78787A

Preview Lab

Preview with #151F37

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

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