#151E37#151E37

#151E37 is a very dark, muted blue. Relative luminance 0.014; OKLCH L 24.1% C 0.050 H 267.6°. Best body text is #FFFFFF at 16.50:1 contrast (WCAG AA passes).

Color values

HEX	#151E37
RGB	rgb(21, 30, 55)
HSL	hsl(224, 45%, 15%)
HSV	hsv(224, 62%, 22%)
CMYK	cmyk(61.8%, 45.5%, 0%, 78.4%)
CIE-LAB	lab(11.71, 4.92, -17.58)
CIE-LCH	lch(11.71, 18.25, 285.63°)
OKLab	oklab(24.06% -0.0021 -0.0497)
OKLCH	oklch(24.06% 0.05 267.6)
XYZ	xyz(1.4629, 1.3637, 3.7998)
Luminance	0.0136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151E37 #372E15

analogous

#152F37 #151E37 #1D1537

triadic

#151E37 #37151E #1E3715

tetradic

#151E37 #37152F #372E15 #15371D

square

#151E37 #37152F #372E15 #15371D

split-complementary

#151E37 #371D15 #2F3715

monochromatic

#080C16 #080C16 #151E37 #263663 #374E90

Accessibility & contrast

On white

16.50

#151E37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#151E37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151E37

16.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151E37	#FFFFFF	#000000	##FFFFFF
##151E37	1.00	16.50	1.27	16.50
#FFFFFF	16.50	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#142138

Deuteranopia (green-blind)

#101E36

Tritanopia (blue-blind)

#052327

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #151e37;
/* rgb */ color: rgb(21, 30, 55);
/* oklch */ color: oklch(24.1% 0.050 267.6);

Tailwind

colors: {
  custom: {
    50: '#55596e',
    500: '#151e37',
    950: '#000000',
  },
}

SCSS

$custom: #151e37;
$custom-light: #55596e;
$custom-dark: #000000;

JSON

{
  "hex": "#151e37",
  "rgb": {
    "r": 21,
    "g": 30,
    "b": 55
  },
  "hsl": {
    "h": 224.118,
    "s": 44.737,
    "l": 14.902
  },
  "oklch": {
    "l": 0.24062,
    "c": 0.04979,
    "h": 267.6
  },
  "luminance": 0.01364
}

Semantic roles & 50–950 ramp

primary

#151E37

secondary

#6E603A

accent

#B253D4

background

#F5F5F6

surface

#E9E9EB

border

#C5C5C6

text

#030307

muted

#78787A

Preview Lab

Preview with #151E37

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

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