#5757B0#5757B0

#5757B0 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.3% C 0.138 H 280.2°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#5757B0
RGB	rgb(87, 87, 176)
HSL	hsl(240, 36%, 52%)
HSV	hsv(240, 51%, 69%)
CMYK	cmyk(50.6%, 50.6%, 0%, 31%)
CIE-LAB	lab(41.18, 24.77, -47.67)
CIE-LCH	lch(41.18, 53.72, 297.46°)
OKLab	oklab(50.27% 0.0245 -0.1358)
OKLCH	oklch(50.27% 0.138 280.2)
XYZ	xyz(15.1727, 11.9764, 42.5781)
Luminance	0.1198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5757B0 #B0B057

analogous

#5784B0 #5757B0 #8457B0

triadic

#5757B0 #B05757 #57B057

tetradic

#5757B0 #B05784 #B0B057 #57B084

square

#5757B0 #B05784 #B0B057 #57B084

split-complementary

#5757B0 #B08457 #84B057

monochromatic

#2D2D60 #414189 #5757B0 #8181C4 #AAAAD7

Accessibility & contrast

On white

6.18

#5757B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#5757B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5757B0

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5757B0	#FFFFFF	#000000	##FFFFFF
##5757B0	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D65B3

Deuteranopia (green-blind)

#245EAE

Tritanopia (blue-blind)

#346A7B

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #5757b0;
/* rgb */ color: rgb(87, 87, 176);
/* oklch */ color: oklch(50.3% 0.138 280.2);

Tailwind

colors: {
  custom: {
    50: '#8c86c8',
    500: '#5757b0',
    950: '#000000',
  },
}

SCSS

$custom: #5757b0;
$custom-light: #8c86c8;
$custom-dark: #000000;

JSON

{
  "hex": "#5757b0",
  "rgb": {
    "r": 87,
    "g": 87,
    "b": 176
  },
  "hsl": {
    "h": 240,
    "s": 36.032,
    "l": 51.569
  },
  "oklch": {
    "l": 0.50269,
    "c": 0.138,
    "h": 280.2
  },
  "luminance": 0.11977
}

Semantic roles & 50–950 ramp

primary

#5757B0

secondary

#C5C59E

accent

#CC5CCC

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0D0B13

muted

#7D7C82

Preview Lab

Preview with #5757B0

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

Preview Lab → · Contrast checker → · Palette generator →