#151A3A#151A3A

#151A3A is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.3% C 0.061 H 274.0°. Best body text is #FFFFFF at 16.92:1 contrast (WCAG AA passes).

Color values

HEX	#151A3A
RGB	rgb(21, 26, 58)
HSL	hsl(232, 47%, 15%)
HSV	hsv(232, 64%, 23%)
CMYK	cmyk(63.8%, 55.2%, 0%, 77.3%)
CIE-LAB	lab(10.58, 9.20, -21.52)
CIE-LCH	lch(10.58, 23.40, 293.14°)
OKLab	oklab(23.27% 0.0043 -0.0613)
OKLCH	oklch(23.27% 0.062 274)
XYZ	xyz(1.4421, 1.2036, 4.1585)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A3A #3A3515

analogous

#152C3A #151A3A #22153A

triadic

#151A3A #3A151A #1A3A15

tetradic

#151A3A #3A152C #3A3515 #153A22

square

#151A3A #3A152C #3A3515 #153A22

split-complementary

#151A3A #3A2215 #2C3A15

monochromatic

#080A16 #080A16 #151A3A #252E67 #364294

Accessibility & contrast

On white

16.92

#151A3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#151A3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A3A

16.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A3A	#FFFFFF	#000000	##FFFFFF
##151A3A	1.00	16.92	1.24	16.92
#FFFFFF	16.92	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B1E3B

Deuteranopia (green-blind)

#071B39

Tritanopia (blue-blind)

#032127

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #151a3a;
/* rgb */ color: rgb(21, 26, 58);
/* oklch */ color: oklch(23.3% 0.061 274.0);

Tailwind

colors: {
  custom: {
    50: '#565670',
    500: '#151a3a',
    950: '#000000',
  },
}

SCSS

$custom: #151a3a;
$custom-light: #565670;
$custom-dark: #000000;

JSON

{
  "hex": "#151a3a",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 58
  },
  "hsl": {
    "h": 231.892,
    "s": 46.835,
    "l": 15.49
  },
  "oklch": {
    "l": 0.23265,
    "c": 0.0615,
    "h": 274
  },
  "luminance": 0.01204
}

Semantic roles & 50–950 ramp

primary

#151A3A

secondary

#716A39

accent

#C451D6

background

#F5F5F6

surface

#E9E8EC

border

#C5C4C7

text

#030307

muted

#78787A

Preview Lab

Preview with #151A3A

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

Preview Lab → · Contrast checker → · Palette generator →