#5157DD#5157DD

#5157DD is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 53.2% C 0.200 H 275.3°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#5157DD
RGB	rgb(81, 87, 221)
HSL	hsl(237, 67%, 59%)
HSV	hsv(237, 63%, 87%)
CMYK	cmyk(63.3%, 60.6%, 0%, 13.3%)
CIE-LAB	lab(43.92, 38.36, -69.31)
CIE-LCH	lch(43.92, 79.21, 298.96°)
OKLab	oklab(53.21% 0.0185 -0.1996)
OKLCH	oklch(53.21% 0.2 275.3)
XYZ	xyz(19.8484, 13.7845, 70.0073)
Luminance	0.1379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5157DD #DDD751

analogous

#519DDD #5157DD #9151DD

triadic

#5157DD #DD5157 #57DD51

tetradic

#5157DD #DD519D #DDD751 #51DD91

square

#5157DD #DD519D #DDD751 #51DD91

split-complementary

#5157DD #DD9151 #9DDD51

monochromatic

#1D2396 #272EC9 #5157DD #8488E7 #B7BAF1

Accessibility & contrast

On white

5.59

#5157DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#5157DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5157DD

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5157DD	#FFFFFF	#000000	##FFFFFF
##5157DD	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE1

Deuteranopia (green-blind)

#0062DA

Tritanopia (blue-blind)

#007892

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5157dd;
/* rgb */ color: rgb(81, 87, 221);
/* oklch */ color: oklch(53.2% 0.200 275.3);

Tailwind

colors: {
  custom: {
    50: '#9086e9',
    500: '#5157dd',
    950: '#000000',
  },
}

SCSS

$custom: #5157dd;
$custom-light: #9086e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5157dd",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 221
  },
  "hsl": {
    "h": 237.429,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.53205,
    "c": 0.20045,
    "h": 275.3
  },
  "luminance": 0.13786
}

Semantic roles & 50–950 ramp

primary

#5157DD

secondary

#E0DEAA

accent

#E33EEA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5157DD

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

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