#5757DB#5757DB

#5757DB is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.4% C 0.197 H 277.4°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#5757DB
RGB	rgb(87, 87, 219)
HSL	hsl(240, 65%, 60%)
HSV	hsv(240, 60%, 86%)
CMYK	cmyk(60.3%, 60.3%, 0%, 14.1%)
CIE-LAB	lab(44.17, 38.64, -67.75)
CIE-LCH	lch(44.17, 77.99, 299.70°)
OKLab	oklab(53.44% 0.0254 -0.1949)
OKLCH	oklch(53.44% 0.197 277.4)
XYZ	xyz(20.1207, 13.9556, 68.6375)
Luminance	0.1396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5757DB #DBDB57

analogous

#5799DB #5757DB #9957DB

triadic

#5757DB #DB5757 #57DB57

tetradic

#5757DB #DB5799 #DBDB57 #57DB99

square

#5757DB #DB5799 #DBDB57 #57DB99

split-complementary

#5757DB #DB9957 #99DB57

monochromatic

#202097 #2B2BCA #5757DB #8989E6 #BCBCF1

Accessibility & contrast

On white

5.54

#5757DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#5757DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5757DB

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5757DB	#FFFFFF	#000000	##FFFFFF
##5757DB	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDF

Deuteranopia (green-blind)

#0063D8

Tritanopia (blue-blind)

#007791

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5757db;
/* rgb */ color: rgb(87, 87, 219);
/* oklch */ color: oklch(53.4% 0.197 277.4);

Tailwind

colors: {
  custom: {
    50: '#9386e7',
    500: '#5757db',
    950: '#000000',
  },
}

SCSS

$custom: #5757db;
$custom-light: #9386e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5757db",
  "rgb": {
    "r": 87,
    "g": 87,
    "b": 219
  },
  "hsl": {
    "h": 240,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.53442,
    "c": 0.19651,
    "h": 277.4
  },
  "luminance": 0.13957
}

Semantic roles & 50–950 ramp

primary

#5757DB

secondary

#E0E0AD

accent

#E840E8

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5757DB

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

Preview Lab → · Contrast checker → · Palette generator →