#5157DA#5157DA

#5157DA is a mid, vivid blue. Relative luminance 0.136; OKLCH L 53.0% C 0.197 H 275.4°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#5157DA
RGB	rgb(81, 87, 218)
HSL	hsl(237, 65%, 59%)
HSV	hsv(237, 63%, 85%)
CMYK	cmyk(62.8%, 60.1%, 0%, 14.5%)
CIE-LAB	lab(43.69, 37.36, -67.97)
CIE-LCH	lch(43.69, 77.56, 298.80°)
OKLab	oklab(52.96% 0.0186 -0.1957)
OKLCH	oklch(52.96% 0.197 275.4)
XYZ	xyz(19.4523, 13.6261, 67.9211)
Luminance	0.1363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5157DA #DAD451

analogous

#519BDA #5157DA #8F51DA

triadic

#5157DA #DA5157 #57DA51

tetradic

#5157DA #DA519B #DAD451 #51DA8F

square

#5157DA #DA519B #DAD451 #51DA8F

split-complementary

#5157DA #DA8F51 #9BDA51

monochromatic

#1F2492 #2A30C4 #5157DA #8388E5 #B6B8EF

Accessibility & contrast

On white

5.64

#5157DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#5157DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5157DA

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5157DA	#FFFFFF	#000000	##FFFFFF
##5157DA	1.00	5.64	3.73	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDE

Deuteranopia (green-blind)

#0061D7

Tritanopia (blue-blind)

#007790

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5157da;
/* rgb */ color: rgb(81, 87, 218);
/* oklch */ color: oklch(53.0% 0.197 275.4);

Tailwind

colors: {
  custom: {
    50: '#9086e6',
    500: '#5157da',
    950: '#000000',
  },
}

SCSS

$custom: #5157da;
$custom-light: #9086e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5157da",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 218
  },
  "hsl": {
    "h": 237.372,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.52963,
    "c": 0.19656,
    "h": 275.4
  },
  "luminance": 0.13628
}

Semantic roles & 50–950 ramp

primary

#5157DA

secondary

#DEDCA8

accent

#E140E8

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5157DA

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

Preview Lab → · Contrast checker → · Palette generator →