#151A3E#151A3E

#151A3E is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.6% C 0.068 H 274.0°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#151A3E
RGB	rgb(21, 26, 62)
HSL	hsl(233, 49%, 16%)
HSV	hsv(233, 66%, 24%)
CMYK	cmyk(66.1%, 58.1%, 0%, 75.7%)
CIE-LAB	lab(10.89, 10.82, -23.87)
CIE-LCH	lch(10.89, 26.21, 294.39°)
OKLab	oklab(23.6% 0.0048 -0.0683)
OKLCH	oklch(23.6% 0.068 274)
XYZ	xyz(1.5479, 1.2459, 4.7154)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A3E #3E3915

analogous

#152F3E #151A3E #25153E

triadic

#151A3E #3E151A #1A3E15

tetradic

#151A3E #3E152F #3E3915 #153E25

square

#151A3E #3E152F #3E3915 #153E25

split-complementary

#151A3E #3E2515 #2F3E15

monochromatic

#080A17 #080A17 #151A3E #242D6C #344099

Accessibility & contrast

On white

16.81

#151A3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#151A3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A3E

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A3E	#FFFFFF	#000000	##FFFFFF
##151A3E	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#071F3F

Deuteranopia (green-blind)

#021C3D

Tritanopia (blue-blind)

#002229

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #151a3e;
/* rgb */ color: rgb(21, 26, 62);
/* oklch */ color: oklch(23.6% 0.068 274.0);

Tailwind

colors: {
  custom: {
    50: '#575673',
    500: '#151a3e',
    950: '#000000',
  },
}

SCSS

$custom: #151a3e;
$custom-light: #575673;
$custom-dark: #000000;

JSON

{
  "hex": "#151a3e",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 62
  },
  "hsl": {
    "h": 232.683,
    "s": 49.398,
    "l": 16.275
  },
  "oklch": {
    "l": 0.23597,
    "c": 0.06843,
    "h": 274
  },
  "luminance": 0.01246
}

Semantic roles & 50–950 ramp

primary

#151A3E

secondary

#766E39

accent

#C84FD9

background

#F5F5F7

surface

#E9E8ED

border

#C5C4C8

text

#030308

muted

#78787B

Preview Lab

Preview with #151A3E

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

Preview Lab → · Contrast checker → · Palette generator →