#151A5B#151A5B

#151A5B is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.4% C 0.114 H 272.2°. Best body text is #FFFFFF at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#151A5B
RGB	rgb(21, 26, 91)
HSL	hsl(236, 63%, 22%)
HSV	hsv(236, 77%, 36%)
CMYK	cmyk(76.9%, 71.4%, 0%, 64.3%)
CIE-LAB	lab(13.55, 22.62, -39.52)
CIE-LCH	lch(13.55, 45.54, 299.79°)
OKLab	oklab(26.4% 0.0045 -0.1142)
OKLCH	oklch(26.4% 0.114 272.2)
XYZ	xyz(2.5663, 1.6533, 10.0794)
Luminance	0.0165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A5B #5B5615

analogous

#153D5B #151A5B #33155B

triadic

#151A5B #5B151A #1A5B15

tetradic

#151A5B #5B153D #5B5615 #155B33

square

#151A5B #5B153D #5B5615 #155B33

split-complementary

#151A5B #5B3315 #3D5B15

monochromatic

#060719 #0A0C29 #151A5B #20288D #2C36BE

Accessibility & contrast

On white

15.78

#151A5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#151A5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A5B

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A5B	#FFFFFF	#000000	##FFFFFF
##151A5B	1.00	15.78	1.33	15.78
#FFFFFF	15.78	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265D

Deuteranopia (green-blind)

#001F5A

Tritanopia (blue-blind)

#002B38

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #151a5b;
/* rgb */ color: rgb(21, 26, 91);
/* oklch */ color: oklch(26.4% 0.114 272.2);

Tailwind

colors: {
  custom: {
    50: '#5e568a',
    500: '#151a5b',
    950: '#000000',
  },
}

SCSS

$custom: #151a5b;
$custom-light: #5e568a;
$custom-dark: #000000;

JSON

{
  "hex": "#151a5b",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 91
  },
  "hsl": {
    "h": 235.714,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.26397,
    "c": 0.11433,
    "h": 272.2
  },
  "luminance": 0.01654
}

Semantic roles & 50–950 ramp

primary

#151A5B

secondary

#928C39

accent

#DA42E6

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #151A5B

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

Preview Lab → · Contrast checker → · Palette generator →