#151A3C#151A3C

#151A3C is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.4% C 0.065 H 274.0°. Best body text is #FFFFFF at 16.87:1 contrast (WCAG AA passes).

Color values

HEX	#151A3C
RGB	rgb(21, 26, 60)
HSL	hsl(232, 48%, 16%)
HSV	hsv(232, 65%, 24%)
CMYK	cmyk(65%, 56.7%, 0%, 76.5%)
CIE-LAB	lab(10.74, 10.01, -22.70)
CIE-LCH	lch(10.74, 24.81, 293.79°)
OKLab	oklab(23.43% 0.0045 -0.0648)
OKLCH	oklch(23.43% 0.065 274)
XYZ	xyz(1.4940, 1.2244, 4.4317)
Luminance	0.0122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A3C #3C3715

analogous

#152D3C #151A3C #23153C

triadic

#151A3C #3C151A #1A3C15

tetradic

#151A3C #3C152D #3C3715 #153C23

square

#151A3C #3C152D #3C3715 #153C23

split-complementary

#151A3C #3C2315 #2D3C15

monochromatic

#080A17 #080A17 #151A3C #252E69 #354197

Accessibility & contrast

On white

16.87

#151A3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#151A3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A3C

16.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A3C	#FFFFFF	#000000	##FFFFFF
##151A3C	1.00	16.87	1.24	16.87
#FFFFFF	16.87	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#091F3D

Deuteranopia (green-blind)

#041B3B

Tritanopia (blue-blind)

#022228

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #151a3c;
/* rgb */ color: rgb(21, 26, 60);
/* oklch */ color: oklch(23.4% 0.065 274.0);

Tailwind

colors: {
  custom: {
    50: '#565672',
    500: '#151a3c',
    950: '#000000',
  },
}

SCSS

$custom: #151a3c;
$custom-light: #565672;
$custom-dark: #000000;

JSON

{
  "hex": "#151a3c",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 60
  },
  "hsl": {
    "h": 232.308,
    "s": 48.148,
    "l": 15.882
  },
  "oklch": {
    "l": 0.23429,
    "c": 0.06498,
    "h": 274
  },
  "luminance": 0.01224
}

Semantic roles & 50–950 ramp

primary

#151A3C

secondary

#746C39

accent

#C650D8

background

#F5F5F6

surface

#E9E8EC

border

#C5C4C7

text

#030308

muted

#78787B

Preview Lab

Preview with #151A3C

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

Preview Lab → · Contrast checker → · Palette generator →