#151E3D#151E3D

#151E3D is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.5% C 0.060 H 269.4°. Best body text is #FFFFFF at 16.34:1 contrast (WCAG AA passes).

Color values

HEX	#151E3D
RGB	rgb(21, 30, 61)
HSL	hsl(227, 49%, 16%)
HSV	hsv(227, 66%, 24%)
CMYK	cmyk(65.6%, 50.8%, 0%, 76.1%)
CIE-LAB	lab(12.12, 7.34, -21.19)
CIE-LCH	lch(12.12, 22.43, 289.12°)
OKLab	oklab(24.51% -0.0006 -0.0603)
OKLCH	oklch(24.51% 0.06 269.4)
XYZ	xyz(1.6156, 1.4248, 4.6038)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151E3D #3D3415

analogous

#15323D #151E3D #20153D

triadic

#151E3D #3D151E #1E3D15

tetradic

#151E3D #3D1532 #3D3415 #153D20

square

#151E3D #3D1532 #3D3415 #153D20

split-complementary

#151E3D #3D2015 #323D15

monochromatic

#080B17 #080B17 #151E3D #25346B #344B98

Accessibility & contrast

On white

16.34

#151E3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#151E3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151E3D

16.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151E3D	#FFFFFF	#000000	##FFFFFF
##151E3D	1.00	16.34	1.29	16.34
#FFFFFF	16.34	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10223E

Deuteranopia (green-blind)

#0B1E3C

Tritanopia (blue-blind)

#00252A

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #151e3d;
/* rgb */ color: rgb(21, 30, 61);
/* oklch */ color: oklch(24.5% 0.060 269.4);

Tailwind

colors: {
  custom: {
    50: '#565973',
    500: '#151e3d',
    950: '#000000',
  },
}

SCSS

$custom: #151e3d;
$custom-light: #565973;
$custom-dark: #000000;

JSON

{
  "hex": "#151e3d",
  "rgb": {
    "r": 21,
    "g": 30,
    "b": 61
  },
  "hsl": {
    "h": 226.5,
    "s": 48.78,
    "l": 16.078
  },
  "oklch": {
    "l": 0.24508,
    "c": 0.06034,
    "h": 269.4
  },
  "luminance": 0.01425
}

Semantic roles & 50–950 ramp

primary

#151E3D

secondary

#756739

accent

#BA4FD8

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030308

muted

#78787B

Preview Lab

Preview with #151E3D

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

Preview Lab → · Contrast checker → · Palette generator →