#5157BA#5157BA

#5157BA is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.5% C 0.153 H 276.8°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#5157BA
RGB	rgb(81, 87, 186)
HSL	hsl(237, 43%, 52%)
HSV	hsv(237, 56%, 73%)
CMYK	cmyk(56.5%, 53.2%, 0%, 27.1%)
CIE-LAB	lab(41.39, 26.75, -53.22)
CIE-LCH	lch(41.39, 59.56, 296.68°)
OKLab	oklab(50.52% 0.0182 -0.1523)
OKLCH	oklch(50.52% 0.153 276.8)
XYZ	xyz(15.6616, 12.1098, 47.9570)
Luminance	0.1211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5157BA #BAB451

analogous

#518CBA #5157BA #7F51BA

triadic

#5157BA #BA5157 #57BA51

tetradic

#5157BA #BA518C #BAB451 #51BA7F

square

#5157BA #BA518C #BAB451 #51BA7F

split-complementary

#5157BA #BA7F51 #8CBA51

monochromatic

#292D68 #3A4093 #5157BA #7D81CB #A9ACDD

Accessibility & contrast

On white

6.14

#5157BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#5157BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5157BA

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5157BA	#FFFFFF	#000000	##FFFFFF
##5157BA	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D66BD

Deuteranopia (green-blind)

#015DB8

Tritanopia (blue-blind)

#166E80

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5157ba;
/* rgb */ color: rgb(81, 87, 186);
/* oklch */ color: oklch(50.5% 0.153 276.8);

Tailwind

colors: {
  custom: {
    50: '#8b86cf',
    500: '#5157ba',
    950: '#000000',
  },
}

SCSS

$custom: #5157ba;
$custom-light: #8b86cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5157ba",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 186
  },
  "hsl": {
    "h": 236.571,
    "s": 43.21,
    "l": 52.353
  },
  "oklch": {
    "l": 0.50524,
    "c": 0.15337,
    "h": 276.8
  },
  "luminance": 0.12111
}

Semantic roles & 50–950 ramp

primary

#5157BA

secondary

#CAC89D

accent

#CC55D3

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0D0B14

muted

#7D7C82

Preview Lab

Preview with #5157BA

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

Preview Lab → · Contrast checker → · Palette generator →