#5157DC#5157DC

#5157DC is a mid, vivid blue. Relative luminance 0.137; OKLCH L 53.1% C 0.199 H 275.3°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#5157DC
RGB	rgb(81, 87, 220)
HSL	hsl(237, 67%, 59%)
HSV	hsv(237, 63%, 86%)
CMYK	cmyk(63.2%, 60.5%, 0%, 13.7%)
CIE-LAB	lab(43.85, 38.03, -68.86)
CIE-LCH	lch(43.85, 78.66, 298.91°)
OKLab	oklab(53.12% 0.0185 -0.1983)
OKLCH	oklch(53.12% 0.199 275.3)
XYZ	xyz(19.7156, 13.7314, 69.3077)
Luminance	0.1373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5157DC #DCD651

analogous

#519DDC #5157DC #9151DC

triadic

#5157DC #DC5157 #57DC51

tetradic

#5157DC #DC519D #DCD651 #51DC91

square

#5157DC #DC519D #DCD651 #51DC91

split-complementary

#5157DC #DC9151 #9DDC51

monochromatic

#1E2395 #282FC8 #5157DC #8488E6 #B7B9F0

Accessibility & contrast

On white

5.61

#5157DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#5157DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5157DC

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5157DC	#FFFFFF	#000000	##FFFFFF
##5157DC	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE0

Deuteranopia (green-blind)

#0062D9

Tritanopia (blue-blind)

#007891

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5157dc;
/* rgb */ color: rgb(81, 87, 220);
/* oklch */ color: oklch(53.1% 0.199 275.3);

Tailwind

colors: {
  custom: {
    50: '#9086e8',
    500: '#5157dc',
    950: '#000000',
  },
}

SCSS

$custom: #5157dc;
$custom-light: #9086e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5157dc",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 220
  },
  "hsl": {
    "h": 237.41,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.53124,
    "c": 0.19915,
    "h": 275.3
  },
  "luminance": 0.13733
}

Semantic roles & 50–950 ramp

primary

#5157DC

secondary

#E0DDA9

accent

#E23EE9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5157DC

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

Preview Lab → · Contrast checker → · Palette generator →