#5357DD#5357DD

#5357DD is a mid, vivid blue. Relative luminance 0.139; OKLCH L 53.3% C 0.200 H 275.9°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#5357DD
RGB	rgb(83, 87, 221)
HSL	hsl(238, 67%, 60%)
HSV	hsv(238, 62%, 87%)
CMYK	cmyk(62.4%, 60.6%, 0%, 13.3%)
CIE-LAB	lab(44.05, 38.66, -69.09)
CIE-LCH	lch(44.05, 79.17, 299.23°)
OKLab	oklab(53.33% 0.0207 -0.1989)
OKLCH	oklch(53.33% 0.2 275.9)
XYZ	xyz(20.0224, 13.8742, 70.0155)
Luminance	0.1388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5357DD #DDD953

analogous

#539CDD #5357DD #9453DD

triadic

#5357DD #DD5357 #57DD53

tetradic

#5357DD #DD539C #DDD953 #53DD94

square

#5357DD #DD539C #DDD953 #53DD94

split-complementary

#5357DD #DD9453 #9CDD53

monochromatic

#1E2198 #282DCB #5357DD #8689E7 #B9BBF1

Accessibility & contrast

On white

5.56

#5357DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#5357DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5357DD

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5357DD	#FFFFFF	#000000	##FFFFFF
##5357DD	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE1

Deuteranopia (green-blind)

#0062DA

Tritanopia (blue-blind)

#007892

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5357dd;
/* rgb */ color: rgb(83, 87, 221);
/* oklch */ color: oklch(53.3% 0.200 275.9);

Tailwind

colors: {
  custom: {
    50: '#9186e9',
    500: '#5357dd',
    950: '#000000',
  },
}

SCSS

$custom: #5357dd;
$custom-light: #9186e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5357dd",
  "rgb": {
    "r": 83,
    "g": 87,
    "b": 221
  },
  "hsl": {
    "h": 238.261,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.53334,
    "c": 0.19999,
    "h": 275.9
  },
  "luminance": 0.13876
}

Semantic roles & 50–950 ramp

primary

#5357DD

secondary

#E1DFAB

accent

#E53EEA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5357DD

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

Preview Lab → · Contrast checker → · Palette generator →