#5357CC#5357CC

#5357CC is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.0% C 0.178 H 276.8°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#5357CC
RGB	rgb(83, 87, 204)
HSL	hsl(238, 54%, 56%)
HSV	hsv(238, 59%, 80%)
CMYK	cmyk(59.3%, 57.4%, 0%, 20%)
CIE-LAB	lab(42.78, 33.07, -61.41)
CIE-LCH	lch(42.78, 69.75, 298.30°)
OKLab	oklab(52% 0.021 -0.1763)
OKLCH	oklch(52% 0.178 276.8)
XYZ	xyz(17.8710, 13.0137, 58.6852)
Luminance	0.1301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5357CC #CCC853

analogous

#5394CC #5357CC #8C53CC

triadic

#5357CC #CC5357 #57CC53

tetradic

#5357CC #CC5394 #CCC853 #53CC8C

square

#5357CC #CC5394 #CCC853 #53CC8C

split-complementary

#5357CC #CC8C53 #94CC53

monochromatic

#26297F #3438AE #5357CC #8285DA #B1B3E8

Accessibility & contrast

On white

5.83

#5357CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#5357CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5357CC

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5357CC	#FFFFFF	#000000	##FFFFFF
##5357CC	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD0

Deuteranopia (green-blind)

#0060CA

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5357cc;
/* rgb */ color: rgb(83, 87, 204);
/* oklch */ color: oklch(52.0% 0.178 276.8);

Tailwind

colors: {
  custom: {
    50: '#8f86dc',
    500: '#5357cc',
    950: '#000000',
  },
}

SCSS

$custom: #5357cc;
$custom-light: #8f86dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5357cc",
  "rgb": {
    "r": 83,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 238.017,
    "s": 54.26,
    "l": 56.275
  },
  "oklch": {
    "l": 0.51998,
    "c": 0.17759,
    "h": 276.8
  },
  "luminance": 0.13015
}

Semantic roles & 50–950 ramp

primary

#5357CC

secondary

#D6D5A4

accent

#D94ADE

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5357CC

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

Preview Lab → · Contrast checker → · Palette generator →