#5857CB#5857CB

#5857CB is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.3% C 0.175 H 278.8°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#5857CB
RGB	rgb(88, 87, 203)
HSL	hsl(241, 53%, 57%)
HSV	hsv(241, 57%, 80%)
CMYK	cmyk(56.7%, 57.1%, 0%, 20.4%)
CIE-LAB	lab(43.07, 33.64, -60.36)
CIE-LCH	lch(43.07, 69.10, 299.14°)
OKLab	oklab(52.28% 0.0269 -0.1731)
OKLCH	oklch(52.28% 0.175 278.8)
XYZ	xyz(18.2088, 13.2017, 58.0770)
Luminance	0.1320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5857CB #CACB57

analogous

#5790CB #5857CB #9257CB

triadic

#5857CB #CB5857 #57CB58

tetradic

#5857CB #CB5790 #CACB57 #57CB92

square

#5857CB #CB5790 #CACB57 #57CB92

split-complementary

#5857CB #CB9257 #90CB57

monochromatic

#282880 #3736AF #5857CB #8686D9 #B5B4E8

Accessibility & contrast

On white

5.77

#5857CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#5857CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5857CB

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5857CB	#FFFFFF	#000000	##FFFFFF
##5857CB	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACF

Deuteranopia (green-blind)

#0061C9

Tritanopia (blue-blind)

#177288

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5857cb;
/* rgb */ color: rgb(88, 87, 203);
/* oklch */ color: oklch(52.3% 0.175 278.8);

Tailwind

colors: {
  custom: {
    50: '#9186dc',
    500: '#5857cb',
    950: '#000000',
  },
}

SCSS

$custom: #5857cb;
$custom-light: #9186dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5857cb",
  "rgb": {
    "r": 88,
    "g": 87,
    "b": 203
  },
  "hsl": {
    "h": 240.517,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.52275,
    "c": 0.17519,
    "h": 278.8
  },
  "luminance": 0.13203
}

Semantic roles & 50–950 ramp

primary

#5857CB

secondary

#D6D7A7

accent

#DC4CDB

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5857CB

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

Preview Lab → · Contrast checker → · Palette generator →