#15157E#15157E

#15157E is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.7% C 0.167 H 270.2°. Best body text is #FFFFFF at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#15157E
RGB	rgb(21, 21, 126)
HSL	hsl(240, 71%, 29%)
HSV	hsv(240, 83%, 49%)
CMYK	cmyk(83.3%, 83.3%, 0%, 50.6%)
CIE-LAB	lab(16.51, 38.60, -57.50)
CIE-LCH	lch(16.51, 69.26, 303.87°)
OKLab	oklab(29.7% 0.0006 -0.1665)
OKLCH	oklch(29.7% 0.167 270.2)
XYZ	xyz(4.3420, 2.2016, 19.9307)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15157E #7E7E15

analogous

#154A7E #15157E #4A157E

triadic

#15157E #7E1515 #157E15

tetradic

#15157E #7E154A #7E7E15 #157E4A

square

#15157E #7E154A #7E7E15 #157E4A

split-complementary

#15157E #7E4A15 #4A7E15

monochromatic

#04041A #0C0C4A #15157E #1E1EB2 #3131DD

Accessibility & contrast

On white

14.58

#15157E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#15157E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15157E

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15157E	#FFFFFF	#000000	##FFFFFF
##15157E	1.00	14.58	1.44	14.58
#FFFFFF	14.58	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E81

Deuteranopia (green-blind)

#00237C

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #15157e;
/* rgb */ color: rgb(21, 21, 126);
/* oklch */ color: oklch(29.7% 0.167 270.2);

Tailwind

colors: {
  custom: {
    50: '#6955a5',
    500: '#15157e',
    950: '#000000',
  },
}

SCSS

$custom: #15157e;
$custom-light: #6955a5;
$custom-dark: #000000;

JSON

{
  "hex": "#15157e",
  "rgb": {
    "r": 21,
    "g": 21,
    "b": 126
  },
  "hsl": {
    "h": 240,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.29702,
    "c": 0.1665,
    "h": 270.2
  },
  "luminance": 0.02202
}

Semantic roles & 50–950 ramp

primary

#15157E

secondary

#B3B33C

accent

#EE3AEE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #15157E

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

Preview Lab → · Contrast checker → · Palette generator →