#5757D3#5757D3

#5757D3 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.8% C 0.186 H 277.9°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#5757D3
RGB	rgb(87, 87, 211)
HSL	hsl(240, 58%, 58%)
HSV	hsv(240, 59%, 83%)
CMYK	cmyk(58.8%, 58.8%, 0%, 17.3%)
CIE-LAB	lab(43.57, 36.05, -64.14)
CIE-LCH	lch(43.57, 73.58, 299.34°)
OKLab	oklab(52.82% 0.0257 -0.1843)
OKLCH	oklch(52.82% 0.186 277.9)
XYZ	xyz(19.0928, 13.5444, 63.2236)
Luminance	0.1355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5757D3 #D3D357

analogous

#5795D3 #5757D3 #9557D3

triadic

#5757D3 #D35757 #57D357

tetradic

#5757D3 #D35795 #D3D357 #57D395

square

#5757D3 #D35795 #D3D357 #57D395

split-complementary

#5757D3 #D39557 #95D357

monochromatic

#24248B #3131BC #5757D3 #8787E0 #B8B8EC

Accessibility & contrast

On white

5.66

#5757D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#5757D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5757D3

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5757D3	#FFFFFF	#000000	##FFFFFF
##5757D3	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD7

Deuteranopia (green-blind)

#0062D0

Tritanopia (blue-blind)

#00758D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5757d3;
/* rgb */ color: rgb(87, 87, 211);
/* oklch */ color: oklch(52.8% 0.186 277.9);

Tailwind

colors: {
  custom: {
    50: '#9286e1',
    500: '#5757d3',
    950: '#000000',
  },
}

SCSS

$custom: #5757d3;
$custom-light: #9286e1;
$custom-dark: #000000;

JSON

{
  "hex": "#5757d3",
  "rgb": {
    "r": 87,
    "g": 87,
    "b": 211
  },
  "hsl": {
    "h": 240,
    "s": 58.491,
    "l": 58.431
  },
  "oklch": {
    "l": 0.52815,
    "c": 0.18604,
    "h": 277.9
  },
  "luminance": 0.13546
}

Semantic roles & 50–950 ramp

primary

#5757D3

secondary

#DCDCAA

accent

#E246E2

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5757D3

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

Preview Lab → · Contrast checker → · Palette generator →