#5757BE#5757BE

#5757BE is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.2% C 0.158 H 279.3°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#5757BE
RGB	rgb(87, 87, 190)
HSL	hsl(240, 44%, 54%)
HSV	hsv(240, 54%, 75%)
CMYK	cmyk(54.2%, 54.2%, 0%, 25.5%)
CIE-LAB	lab(42.09, 29.26, -54.40)
CIE-LCH	lch(42.09, 61.77, 298.27°)
OKLab	oklab(51.25% 0.0254 -0.1556)
OKLCH	oklch(51.25% 0.158 279.3)
XYZ	xyz(16.6300, 12.5593, 50.2531)
Luminance	0.1256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5757BE #BEBE57

analogous

#578BBE #5757BE #8B57BE

triadic

#5757BE #BE5757 #57BE57

tetradic

#5757BE #BE578B #BEBE57 #57BE8B

square

#5757BE #BE578B #BEBE57 #57BE8B

split-complementary

#5757BE #BE8B57 #8BBE57

monochromatic

#2B2B6F #3C3C9C #5757BE #8383CF #AFAFE0

Accessibility & contrast

On white

5.98

#5757BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#5757BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5757BE

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5757BE	#FFFFFF	#000000	##FFFFFF
##5757BE	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1867C2

Deuteranopia (green-blind)

#005FBC

Tritanopia (blue-blind)

#276E82

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5757be;
/* rgb */ color: rgb(87, 87, 190);
/* oklch */ color: oklch(51.2% 0.158 279.3);

Tailwind

colors: {
  custom: {
    50: '#8e86d2',
    500: '#5757be',
    950: '#000000',
  },
}

SCSS

$custom: #5757be;
$custom-light: #8e86d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5757be",
  "rgb": {
    "r": 87,
    "g": 87,
    "b": 190
  },
  "hsl": {
    "h": 240,
    "s": 44.206,
    "l": 54.314
  },
  "oklch": {
    "l": 0.51246,
    "c": 0.15767,
    "h": 279.3
  },
  "luminance": 0.1256
}

Semantic roles & 50–950 ramp

primary

#5757BE

secondary

#CECEA3

accent

#D454D4

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #5757BE

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

Preview Lab → · Contrast checker → · Palette generator →