#5355CB#5355CB

#5355CB is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.6% C 0.179 H 277.4°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#5355CB
RGB	rgb(83, 85, 203)
HSL	hsl(239, 54%, 56%)
HSV	hsv(239, 59%, 80%)
CMYK	cmyk(59.1%, 58.1%, 0%, 20.4%)
CIE-LAB	lab(42.23, 33.97, -61.74)
CIE-LCH	lch(42.23, 70.47, 298.82°)
OKLab	oklab(51.56% 0.0229 -0.1773)
OKLCH	oklch(51.56% 0.179 277.4)
XYZ	xyz(17.5918, 12.6465, 58.0023)
Luminance	0.1265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5355CB #CBC953

analogous

#5391CB #5355CB #8D53CB

triadic

#5355CB #CB5355 #55CB53

tetradic

#5355CB #CB5391 #CBC953 #53CB8D

square

#5355CB #CB5391 #CBC953 #53CB8D

split-complementary

#5355CB #CB8D53 #91CB53

monochromatic

#26277E #3436AD #5355CB #8283D9 #B1B2E7

Accessibility & contrast

On white

5.95

#5355CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#5355CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5355CB

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5355CB	#FFFFFF	#000000	##FFFFFF
##5355CB	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CF

Deuteranopia (green-blind)

#005FC9

Tritanopia (blue-blind)

#007188

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5355cb;
/* rgb */ color: rgb(83, 85, 203);
/* oklch */ color: oklch(51.6% 0.179 277.4);

Tailwind

colors: {
  custom: {
    50: '#8e85dc',
    500: '#5355cb',
    950: '#000000',
  },
}

SCSS

$custom: #5355cb;
$custom-light: #8e85dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5355cb",
  "rgb": {
    "r": 83,
    "g": 85,
    "b": 203
  },
  "hsl": {
    "h": 239,
    "s": 53.571,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51561,
    "c": 0.1788,
    "h": 277.4
  },
  "luminance": 0.12648
}

Semantic roles & 50–950 ramp

primary

#5355CB

secondary

#D6D5A4

accent

#DB4BDD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5355CB

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

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