#5157BE#5157BE

#5157BE is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.8% C 0.159 H 276.6°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#5157BE
RGB	rgb(81, 87, 190)
HSL	hsl(237, 46%, 53%)
HSV	hsv(237, 57%, 75%)
CMYK	cmyk(57.4%, 54.2%, 0%, 25.5%)
CIE-LAB	lab(41.66, 28.07, -55.12)
CIE-LCH	lch(41.66, 61.85, 296.99°)
OKLab	oklab(50.81% 0.0184 -0.1579)
OKLCH	oklch(50.81% 0.159 276.6)
XYZ	xyz(16.0928, 12.2823, 50.2279)
Luminance	0.1228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5157BE #BEB851

analogous

#518DBE #5157BE #8151BE

triadic

#5157BE #BE5157 #57BE51

tetradic

#5157BE #BE518D #BEB851 #51BE81

square

#5157BE #BE518D #BEB851 #51BE81

split-complementary

#5157BE #BE8151 #8DBE51

monochromatic

#282C6C #393E99 #5157BE #7E82CF #AAADDF

Accessibility & contrast

On white

6.08

#5157BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#5157BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5157BE

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5157BE	#FFFFFF	#000000	##FFFFFF
##5157BE	1.00	6.08	3.46	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1567C2

Deuteranopia (green-blind)

#005EBC

Tritanopia (blue-blind)

#0D6F82

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5157be;
/* rgb */ color: rgb(81, 87, 190);
/* oklch */ color: oklch(50.8% 0.159 276.6);

Tailwind

colors: {
  custom: {
    50: '#8b86d2',
    500: '#5157be',
    950: '#000000',
  },
}

SCSS

$custom: #5157be;
$custom-light: #8b86d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5157be",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 190
  },
  "hsl": {
    "h": 236.697,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.50814,
    "c": 0.15895,
    "h": 276.6
  },
  "luminance": 0.12283
}

Semantic roles & 50–950 ramp

primary

#5157BE

secondary

#CDCA9E

accent

#CE53D5

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #5157BE

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

Preview Lab → · Contrast checker → · Palette generator →