#15156A#15156A

#15156A is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.2% C 0.141 H 272.0°. Best body text is #FFFFFF at 15.59:1 contrast (WCAG AA passes).

Color values

HEX	#15156A
RGB	rgb(21, 21, 106)
HSL	hsl(240, 67%, 25%)
HSV	hsv(240, 80%, 42%)
CMYK	cmyk(80.2%, 80.2%, 0%, 58.4%)
CIE-LAB	lab(14.04, 31.62, -48.68)
CIE-LCH	lch(14.04, 58.04, 303.00°)
OKLab	oklab(27.25% 0.0049 -0.1409)
OKLCH	oklch(27.25% 0.141 272)
XYZ	xyz(3.1781, 1.7360, 13.8005)
Luminance	0.0174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15156A #6A6A15

analogous

#15406A #15156A #40156A

triadic

#15156A #6A1515 #156A15

tetradic

#15156A #6A1540 #6A6A15 #156A40

square

#15156A #6A1540 #6A6A15 #156A40

split-complementary

#15156A #6A4015 #406A15

monochromatic

#05051A #0B0B37 #15156A #1F1F9D #2929D0

Accessibility & contrast

On white

15.59

#15156A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#15156A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15156A

15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15156A	#FFFFFF	#000000	##FFFFFF
##15156A	1.00	15.59	1.35	15.59
#FFFFFF	15.59	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286C

Deuteranopia (green-blind)

#001F69

Tritanopia (blue-blind)

#002E3F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #15156a;
/* rgb */ color: rgb(21, 21, 106);
/* oklch */ color: oklch(27.2% 0.141 272.0);

Tailwind

colors: {
  custom: {
    50: '#635496',
    500: '#15156a',
    950: '#000000',
  },
}

SCSS

$custom: #15156a;
$custom-light: #635496;
$custom-dark: #000000;

JSON

{
  "hex": "#15156a",
  "rgb": {
    "r": 21,
    "g": 21,
    "b": 106
  },
  "hsl": {
    "h": 240,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.27246,
    "c": 0.14099,
    "h": 272
  },
  "luminance": 0.01736
}

Semantic roles & 50–950 ramp

primary

#15156A

secondary

#A1A13A

accent

#EA3EEA

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#06020D

muted

#7A787E

Preview Lab

Preview with #15156A

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

Preview Lab → · Contrast checker → · Palette generator →