#151E3A#151E3A

#151E3A is a very dark, muted blue. Relative luminance 0.014; OKLCH L 24.3% C 0.055 H 268.6°. Best body text is #FFFFFF at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#151E3A
RGB	rgb(21, 30, 58)
HSL	hsl(225, 47%, 15%)
HSV	hsv(225, 64%, 23%)
CMYK	cmyk(63.8%, 48.3%, 0%, 77.3%)
CIE-LAB	lab(11.91, 6.12, -19.40)
CIE-LCH	lch(11.91, 20.34, 287.52°)
OKLab	oklab(24.28% -0.0013 -0.0551)
OKLCH	oklch(24.28% 0.055 268.6)
XYZ	xyz(1.5370, 1.3934, 4.1901)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151E3A #3A3115

analogous

#15303A #151E3A #1E153A

triadic

#151E3A #3A151E #1E3A15

tetradic

#151E3A #3A1530 #3A3115 #153A1E

square

#151E3A #3A1530 #3A3115 #153A1E

split-complementary

#151E3A #3A1E15 #303A15

monochromatic

#080C16 #080C16 #151E3A #253567 #364C94

Accessibility & contrast

On white

16.42

#151E3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#151E3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151E3A

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151E3A	#FFFFFF	#000000	##FFFFFF
##151E3A	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)

#12213B

Deuteranopia (green-blind)

#0E1E39

Tritanopia (blue-blind)

#032429

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #151e3a;
/* rgb */ color: rgb(21, 30, 58);
/* oklch */ color: oklch(24.3% 0.055 268.6);

Tailwind

colors: {
  custom: {
    50: '#565970',
    500: '#151e3a',
    950: '#000000',
  },
}

SCSS

$custom: #151e3a;
$custom-light: #565970;
$custom-dark: #000000;

JSON

{
  "hex": "#151e3a",
  "rgb": {
    "r": 21,
    "g": 30,
    "b": 58
  },
  "hsl": {
    "h": 225.405,
    "s": 46.835,
    "l": 15.49
  },
  "oklch": {
    "l": 0.24281,
    "c": 0.0551,
    "h": 268.6
  },
  "luminance": 0.01393
}

Semantic roles & 50–950 ramp

primary

#151E3A

secondary

#716439

accent

#B651D6

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030307

muted

#78787A

Preview Lab

Preview with #151E3A

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

Preview Lab → · Contrast checker → · Palette generator →