#5757CA#5757CA

#5757CA is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.1% C 0.174 H 278.5°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#5757CA
RGB	rgb(87, 87, 202)
HSL	hsl(240, 52%, 57%)
HSV	hsv(240, 57%, 79%)
CMYK	cmyk(56.9%, 56.9%, 0%, 20.8%)
CIE-LAB	lab(42.92, 33.14, -60.02)
CIE-LCH	lch(42.92, 68.56, 298.90°)
OKLab	oklab(52.13% 0.0257 -0.1721)
OKLCH	oklch(52.13% 0.174 278.5)
XYZ	xyz(17.9960, 13.1057, 57.4470)
Luminance	0.1311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5757CA #CACA57

analogous

#5791CA #5757CA #9157CA

triadic

#5757CA #CA5757 #57CA57

tetradic

#5757CA #CA5791 #CACA57 #57CA91

square

#5757CA #CA5791 #CACA57 #57CA91

split-complementary

#5757CA #CA9157 #91CA57

monochromatic

#28287F #3737AD #5757CA #8686D9 #B4B4E7

Accessibility & contrast

On white

5.80

#5757CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#5757CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5757CA

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5757CA	#FFFFFF	#000000	##FFFFFF
##5757CA	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACE

Deuteranopia (green-blind)

#0061C8

Tritanopia (blue-blind)

#147288

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5757ca;
/* rgb */ color: rgb(87, 87, 202);
/* oklch */ color: oklch(52.1% 0.174 278.5);

Tailwind

colors: {
  custom: {
    50: '#9086db',
    500: '#5757ca',
    950: '#000000',
  },
}

SCSS

$custom: #5757ca;
$custom-light: #9086db;
$custom-dark: #000000;

JSON

{
  "hex": "#5757ca",
  "rgb": {
    "r": 87,
    "g": 87,
    "b": 202
  },
  "hsl": {
    "h": 240,
    "s": 52.036,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52128,
    "c": 0.17405,
    "h": 278.5
  },
  "luminance": 0.13107
}

Semantic roles & 50–950 ramp

primary

#5757CA

secondary

#D6D6A7

accent

#DB4CDB

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5757CA

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

Preview Lab → · Contrast checker → · Palette generator →