#151E31#151E31

#151E31 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.7% C 0.039 H 264.3°. Best body text is #FFFFFF at 16.64:1 contrast (WCAG AA passes).

Color values

HEX	#151E31
RGB	rgb(21, 30, 49)
HSL	hsl(221, 40%, 14%)
HSV	hsv(221, 57%, 19%)
CMYK	cmyk(57.1%, 38.8%, 0%, 80.8%)
CIE-LAB	lab(11.34, 2.56, -13.85)
CIE-LCH	lch(11.34, 14.08, 280.48°)
OKLab	oklab(23.65% -0.0039 -0.0389)
OKLCH	oklch(23.65% 0.039 264.3)
XYZ	xyz(1.3277, 1.3096, 3.0880)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151E31 #312815

analogous

#152C31 #151E31 #1A1531

triadic

#151E31 #31151E #1E3115

tetradic

#151E31 #31152C #312815 #15311A

square

#151E31 #31152C #312815 #15311A

split-complementary

#151E31 #311A15 #2C3115

monochromatic

#090D15 #090D15 #151E31 #27385C #3A5287

Accessibility & contrast

On white

16.64

#151E31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#151E31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151E31

16.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151E31	#FFFFFF	#000000	##FFFFFF
##151E31	1.00	16.64	1.26	16.64
#FFFFFF	16.64	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172032

Deuteranopia (green-blind)

#141D31

Tritanopia (blue-blind)

#0A2225

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #151e31;
/* rgb */ color: rgb(21, 30, 49);
/* oklch */ color: oklch(23.7% 0.039 264.3);

Tailwind

colors: {
  custom: {
    50: '#545969',
    500: '#151e31',
    950: '#000000',
  },
}

SCSS

$custom: #151e31;
$custom-light: #545969;
$custom-dark: #000000;

JSON

{
  "hex": "#151e31",
  "rgb": {
    "r": 21,
    "g": 30,
    "b": 49
  },
  "hsl": {
    "h": 220.714,
    "s": 40,
    "l": 13.725
  },
  "oklch": {
    "l": 0.23653,
    "c": 0.03909,
    "h": 264.3
  },
  "luminance": 0.0131
}

Semantic roles & 50–950 ramp

primary

#151E31

secondary

#68593A

accent

#A958D0

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#030306

muted

#78787A

Preview Lab

Preview with #151E31

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

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