#15157F#15157F

#15157F is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.8% C 0.168 H 270.1°. Best body text is #FFFFFF at 14.53:1 contrast (WCAG AA passes).

Color values

HEX	#15157F
RGB	rgb(21, 21, 127)
HSL	hsl(240, 72%, 29%)
HSV	hsv(240, 83%, 50%)
CMYK	cmyk(83.5%, 83.5%, 0%, 50.2%)
CIE-LAB	lab(16.64, 38.94, -57.93)
CIE-LCH	lch(16.64, 69.80, 303.91°)
OKLab	oklab(29.83% 0.0004 -0.1677)
OKLCH	oklch(29.83% 0.168 270.1)
XYZ	xyz(4.4069, 2.2276, 20.2723)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15157F #7F7F15

analogous

#154A7F #15157F #4A157F

triadic

#15157F #7F1515 #157F15

tetradic

#15157F #7F154A #7F7F15 #157F4A

square

#15157F #7F154A #7F7F15 #157F4A

split-complementary

#15157F #7F4A15 #4A7F15

monochromatic

#04041A #0C0C4A #15157F #1E1EB4 #3131DD

Accessibility & contrast

On white

14.53

#15157F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#15157F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15157F

14.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15157F	#FFFFFF	#000000	##FFFFFF
##15157F	1.00	14.53	1.45	14.53
#FFFFFF	14.53	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E82

Deuteranopia (green-blind)

#00237D

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #15157f;
/* rgb */ color: rgb(21, 21, 127);
/* oklch */ color: oklch(29.8% 0.168 270.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#15157f",
  "rgb": {
    "r": 21,
    "g": 21,
    "b": 127
  },
  "hsl": {
    "h": 240,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.29827,
    "c": 0.16773,
    "h": 270.1
  },
  "luminance": 0.02228
}

Semantic roles & 50–950 ramp

primary

#15157F

secondary

#B4B43C

accent

#EE39EE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #15157F

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

Preview Lab → · Contrast checker → · Palette generator →