#5357C8#5357C8

#5357C8 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.7% C 0.172 H 277.0°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#5357C8
RGB	rgb(83, 87, 200)
HSL	hsl(238, 52%, 55%)
HSV	hsv(238, 59%, 78%)
CMYK	cmyk(58.5%, 56.5%, 0%, 21.6%)
CIE-LAB	lab(42.50, 31.75, -59.57)
CIE-LCH	lch(42.50, 67.50, 298.06°)
OKLab	oklab(51.7% 0.021 -0.1709)
OKLCH	oklch(51.7% 0.172 277)
XYZ	xyz(17.3975, 12.8243, 56.1909)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5357C8 #C8C453

analogous

#5391C8 #5357C8 #8A53C8

triadic

#5357C8 #C85357 #57C853

tetradic

#5357C8 #C85391 #C8C453 #53C88A

square

#5357C8 #C85391 #C8C453 #53C88A

split-complementary

#5357C8 #C88A53 #91C853

monochromatic

#272A7A #363AA8 #5357C8 #8184D7 #B0B2E6

Accessibility & contrast

On white

5.89

#5357C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#5357C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5357C8

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5357C8	#FFFFFF	#000000	##FFFFFF
##5357C8	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CC

Deuteranopia (green-blind)

#0060C6

Tritanopia (blue-blind)

#007287

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5357c8;
/* rgb */ color: rgb(83, 87, 200);
/* oklch */ color: oklch(51.7% 0.172 277.0);

Tailwind

colors: {
  custom: {
    50: '#8e86d9',
    500: '#5357c8',
    950: '#000000',
  },
}

SCSS

$custom: #5357c8;
$custom-light: #8e86d9;
$custom-dark: #000000;

JSON

{
  "hex": "#5357c8",
  "rgb": {
    "r": 83,
    "g": 87,
    "b": 200
  },
  "hsl": {
    "h": 237.949,
    "s": 51.542,
    "l": 55.49
  },
  "oklch": {
    "l": 0.51695,
    "c": 0.17219,
    "h": 277
  },
  "luminance": 0.12826
}

Semantic roles & 50–950 ramp

primary

#5357C8

secondary

#D4D2A3

accent

#D64DDB

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5357C8

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

Preview Lab → · Contrast checker → · Palette generator →