#15287F#15287F

#15287F is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.8% C 0.148 H 267.3°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#15287F
RGB	rgb(21, 40, 127)
HSL	hsl(229, 72%, 29%)
HSV	hsv(229, 83%, 50%)
CMYK	cmyk(83.5%, 68.5%, 0%, 50.2%)
CIE-LAB	lab(20.86, 27.17, -50.96)
CIE-LCH	lch(20.86, 57.75, 298.07°)
OKLab	oklab(32.85% -0.0068 -0.1476)
OKLCH	oklch(32.85% 0.148 267.3)
XYZ	xyz(4.8975, 3.2087, 20.4358)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15287F #7F6C15

analogous

#155D7F #15287F #37157F

triadic

#15287F #7F1528 #287F15

tetradic

#15287F #7F155D #7F6C15 #157F37

square

#15287F #7F155D #7F6C15 #157F37

split-complementary

#15287F #7F3715 #5D7F15

monochromatic

#04081A #0C174A #15287F #1E39B4 #3150DD

Accessibility & contrast

On white

12.79

#15287F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#15287F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15287F

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15287F	#FFFFFF	#000000	##FFFFFF
##15287F	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003782

Deuteranopia (green-blind)

#002D7D

Tritanopia (blue-blind)

#004050

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #15287f;
/* rgb */ color: rgb(21, 40, 127);
/* oklch */ color: oklch(32.8% 0.148 267.3);

Tailwind

colors: {
  custom: {
    50: '#6762a5',
    500: '#15287f',
    950: '#000000',
  },
}

SCSS

$custom: #15287f;
$custom-light: #6762a5;
$custom-dark: #000000;

JSON

{
  "hex": "#15287f",
  "rgb": {
    "r": 21,
    "g": 40,
    "b": 127
  },
  "hsl": {
    "h": 229.245,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.32847,
    "c": 0.14773,
    "h": 267.3
  },
  "luminance": 0.03209
}

Semantic roles & 50–950 ramp

primary

#15287F

secondary

#B49E3C

accent

#CE39EE

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #15287F

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

Preview Lab → · Contrast checker → · Palette generator →