#5757D9#5757D9

#5757D9 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 53.3% C 0.194 H 277.6°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#5757D9
RGB	rgb(87, 87, 217)
HSL	hsl(240, 63%, 60%)
HSV	hsv(240, 60%, 85%)
CMYK	cmyk(59.9%, 59.9%, 0%, 14.9%)
CIE-LAB	lab(44.02, 37.99, -66.85)
CIE-LCH	lch(44.02, 76.89, 299.61°)
OKLab	oklab(53.28% 0.0255 -0.1922)
OKLCH	oklch(53.28% 0.194 277.6)
XYZ	xyz(19.8590, 13.8509, 67.2592)
Luminance	0.1385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5757D9 #D9D957

analogous

#5798D9 #5757D9 #9857D9

triadic

#5757D9 #D95757 #57D957

tetradic

#5757D9 #D95798 #D9D957 #57D998

square

#5757D9 #D95798 #D9D957 #57D998

split-complementary

#5757D9 #D99857 #98D957

monochromatic

#212194 #2D2DC6 #5757D9 #8989E4 #BBBBF0

Accessibility & contrast

On white

5.57

#5757D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#5757D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5757D9

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5757D9	#FFFFFF	#000000	##FFFFFF
##5757D9	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDD

Deuteranopia (green-blind)

#0063D6

Tritanopia (blue-blind)

#007790

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5757d9;
/* rgb */ color: rgb(87, 87, 217);
/* oklch */ color: oklch(53.3% 0.194 277.6);

Tailwind

colors: {
  custom: {
    50: '#9386e6',
    500: '#5757d9',
    950: '#000000',
  },
}

SCSS

$custom: #5757d9;
$custom-light: #9386e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5757d9",
  "rgb": {
    "r": 87,
    "g": 87,
    "b": 217
  },
  "hsl": {
    "h": 240,
    "s": 63.107,
    "l": 59.608
  },
  "oklch": {
    "l": 0.53284,
    "c": 0.19391,
    "h": 277.6
  },
  "luminance": 0.13852
}

Semantic roles & 50–950 ramp

primary

#5757D9

secondary

#DFDFAD

accent

#E642E6

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5757D9

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

Preview Lab → · Contrast checker → · Palette generator →