#5757AF#5757AF

#5757AF is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.2% C 0.137 H 280.3°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#5757AF
RGB	rgb(87, 87, 175)
HSL	hsl(240, 35%, 51%)
HSV	hsv(240, 50%, 69%)
CMYK	cmyk(50.3%, 50.3%, 0%, 31.4%)
CIE-LAB	lab(41.12, 24.46, -47.18)
CIE-LCH	lch(41.12, 53.14, 297.40°)
OKLab	oklab(50.2% 0.0244 -0.1344)
OKLCH	oklch(50.2% 0.137 280.3)
XYZ	xyz(15.0742, 11.9369, 42.0589)
Luminance	0.1194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5757AF #AFAF57

analogous

#5783AF #5757AF #8357AF

triadic

#5757AF #AF5757 #57AF57

tetradic

#5757AF #AF5783 #AFAF57 #57AF83

square

#5757AF #AF5783 #AFAF57 #57AF83

split-complementary

#5757AF #AF8357 #83AF57

monochromatic

#2D2D5F #414188 #5757AF #8080C3 #AAAAD6

Accessibility & contrast

On white

6.20

#5757AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#5757AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5757AF

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5757AF	#FFFFFF	#000000	##FFFFFF
##5757AF	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E64B2

Deuteranopia (green-blind)

#265EAD

Tritanopia (blue-blind)

#356A7B

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #5757af;
/* rgb */ color: rgb(87, 87, 175);
/* oklch */ color: oklch(50.2% 0.137 280.3);

Tailwind

colors: {
  custom: {
    50: '#8c86c7',
    500: '#5757af',
    950: '#000000',
  },
}

SCSS

$custom: #5757af;
$custom-light: #8c86c7;
$custom-dark: #000000;

JSON

{
  "hex": "#5757af",
  "rgb": {
    "r": 87,
    "g": 87,
    "b": 175
  },
  "hsl": {
    "h": 240,
    "s": 35.484,
    "l": 51.373
  },
  "oklch": {
    "l": 0.50201,
    "c": 0.13658,
    "h": 280.3
  },
  "luminance": 0.11938
}

Semantic roles & 50–950 ramp

primary

#5757AF

secondary

#C4C49E

accent

#CC5CCC

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0D0B13

muted

#7D7C82

Preview Lab

Preview with #5757AF

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

Preview Lab → · Contrast checker → · Palette generator →