#5D57CB#5D57CB

#5D57CB is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.6% C 0.174 H 280.9°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#5D57CB
RGB	rgb(93, 87, 203)
HSL	hsl(243, 53%, 57%)
HSV	hsv(243, 57%, 80%)
CMYK	cmyk(54.2%, 57.1%, 0%, 20.4%)
CIE-LAB	lab(43.44, 34.59, -59.74)
CIE-LCH	lch(43.44, 69.03, 300.07°)
OKLab	oklab(52.65% 0.033 -0.1711)
OKLCH	oklch(52.65% 0.174 280.9)
XYZ	xyz(18.6985, 13.4542, 58.1000)
Luminance	0.1346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5D57CB #C5CB57

analogous

#578BCB #5D57CB #9757CB

triadic

#5D57CB #CB5D57 #57CB5D

tetradic

#5D57CB #CB578B #C5CB57 #57CB97

square

#5D57CB #CB578B #C5CB57 #57CB97

split-complementary

#5D57CB #CB9757 #8BCB57

monochromatic

#2C2880 #3C36AF #5D57CB #8A86D9 #B7B4E8

Accessibility & contrast

On white

5.69

#5D57CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#5D57CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5D57CB

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5D57CB	#FFFFFF	#000000	##FFFFFF
##5D57CB	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCF

Deuteranopia (green-blind)

#0062C9

Tritanopia (blue-blind)

#2A7288

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5d57cb;
/* rgb */ color: rgb(93, 87, 203);
/* oklch */ color: oklch(52.6% 0.174 280.9);

Tailwind

colors: {
  custom: {
    50: '#9486dc',
    500: '#5d57cb',
    950: '#000000',
  },
}

SCSS

$custom: #5d57cb;
$custom-light: #9486dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5d57cb",
  "rgb": {
    "r": 93,
    "g": 87,
    "b": 203
  },
  "hsl": {
    "h": 243.103,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.52648,
    "c": 0.17428,
    "h": 280.9
  },
  "luminance": 0.13455
}

Semantic roles & 50–950 ramp

primary

#5D57CB

secondary

#D4D7A7

accent

#DC4CD5

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5D57CB

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

Preview Lab → · Contrast checker → · Palette generator →