#151E3E#151E3E

#151E3E is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.6% C 0.062 H 269.6°. Best body text is #FFFFFF at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#151E3E
RGB	rgb(21, 30, 62)
HSL	hsl(227, 49%, 16%)
HSV	hsv(227, 66%, 24%)
CMYK	cmyk(66.1%, 51.6%, 0%, 75.7%)
CIE-LAB	lab(12.19, 7.75, -21.78)
CIE-LCH	lch(12.19, 23.12, 289.59°)
OKLab	oklab(24.59% -0.0004 -0.0621)
OKLCH	oklch(24.59% 0.062 269.6)
XYZ	xyz(1.6427, 1.4356, 4.7470)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151E3E #3E3515

analogous

#15333E #151E3E #21153E

triadic

#151E3E #3E151E #1E3E15

tetradic

#151E3E #3E1533 #3E3515 #153E21

square

#151E3E #3E1533 #3E3515 #153E21

split-complementary

#151E3E #3E2115 #333E15

monochromatic

#080B17 #080B17 #151E3E #24346C #344A99

Accessibility & contrast

On white

16.31

#151E3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#151E3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151E3E

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151E3E	#FFFFFF	#000000	##FFFFFF
##151E3E	1.00	16.31	1.29	16.31
#FFFFFF	16.31	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F223F

Deuteranopia (green-blind)

#0A1E3D

Tritanopia (blue-blind)

#00252A

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #151e3e;
/* rgb */ color: rgb(21, 30, 62);
/* oklch */ color: oklch(24.6% 0.062 269.6);

Tailwind

colors: {
  custom: {
    50: '#575973',
    500: '#151e3e',
    950: '#000000',
  },
}

SCSS

$custom: #151e3e;
$custom-light: #575973;
$custom-dark: #000000;

JSON

{
  "hex": "#151e3e",
  "rgb": {
    "r": 21,
    "g": 30,
    "b": 62
  },
  "hsl": {
    "h": 226.829,
    "s": 49.398,
    "l": 16.275
  },
  "oklch": {
    "l": 0.24586,
    "c": 0.06208,
    "h": 269.6
  },
  "luminance": 0.01436
}

Semantic roles & 50–950 ramp

primary

#151E3E

secondary

#766839

accent

#BB4FD9

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #151E3E

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

Preview Lab → · Contrast checker → · Palette generator →