#5357CB#5357CB

#5357CB is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.9% C 0.176 H 276.9°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#5357CB
RGB	rgb(83, 87, 203)
HSL	hsl(238, 54%, 56%)
HSV	hsv(238, 59%, 80%)
CMYK	cmyk(59.1%, 57.1%, 0%, 20.4%)
CIE-LAB	lab(42.71, 32.74, -60.95)
CIE-LCH	lch(42.71, 69.19, 298.24°)
OKLab	oklab(51.92% 0.021 -0.175)
OKLCH	oklch(51.92% 0.176 276.9)
XYZ	xyz(17.7515, 12.9659, 58.0556)
Luminance	0.1297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5357CB #CBC753

analogous

#5393CB #5357CB #8B53CB

triadic

#5357CB #CB5357 #57CB53

tetradic

#5357CB #CB5393 #CBC753 #53CB8B

square

#5357CB #CB5393 #CBC753 #53CB8B

split-complementary

#5357CB #CB8B53 #93CB53

monochromatic

#26297E #3438AD #5357CB #8285D9 #B1B3E7

Accessibility & contrast

On white

5.84

#5357CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#5357CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5357CB

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5357CB	#FFFFFF	#000000	##FFFFFF
##5357CB	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACF

Deuteranopia (green-blind)

#0060C9

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5357cb;
/* rgb */ color: rgb(83, 87, 203);
/* oklch */ color: oklch(51.9% 0.176 276.9);

Tailwind

colors: {
  custom: {
    50: '#8e86dc',
    500: '#5357cb',
    950: '#000000',
  },
}

SCSS

$custom: #5357cb;
$custom-light: #8e86dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5357cb",
  "rgb": {
    "r": 83,
    "g": 87,
    "b": 203
  },
  "hsl": {
    "h": 238,
    "s": 53.571,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51922,
    "c": 0.17624,
    "h": 276.9
  },
  "luminance": 0.12967
}

Semantic roles & 50–950 ramp

primary

#5357CB

secondary

#D6D4A4

accent

#D84BDD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5357CB

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

Preview Lab → · Contrast checker → · Palette generator →