#5557D7#5557D7

#5557D7 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 53.0% C 0.192 H 277.0°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#5557D7
RGB	rgb(85, 87, 215)
HSL	hsl(239, 62%, 59%)
HSV	hsv(239, 60%, 84%)
CMYK	cmyk(60.5%, 59.5%, 0%, 15.7%)
CIE-LAB	lab(43.73, 37.01, -66.18)
CIE-LCH	lch(43.73, 75.83, 299.22°)
OKLab	oklab(52.99% 0.0232 -0.1903)
OKLCH	oklch(52.99% 0.192 277)
XYZ	xyz(19.4163, 13.6525, 65.8888)
Luminance	0.1365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5557D7 #D7D555

analogous

#5598D7 #5557D7 #9455D7

triadic

#5557D7 #D75557 #57D755

tetradic

#5557D7 #D75598 #D7D555 #55D794

square

#5557D7 #D75598 #D7D555 #55D794

split-complementary

#5557D7 #D79455 #98D755

monochromatic

#222490 #2D30C1 #5557D7 #8788E3 #B8B9EE

Accessibility & contrast

On white

5.63

#5557D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#5557D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5557D7

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5557D7	#FFFFFF	#000000	##FFFFFF
##5557D7	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDB

Deuteranopia (green-blind)

#0062D4

Tritanopia (blue-blind)

#00768F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5557d7;
/* rgb */ color: rgb(85, 87, 215);
/* oklch */ color: oklch(53.0% 0.192 277.0);

Tailwind

colors: {
  custom: {
    50: '#9186e4',
    500: '#5557d7',
    950: '#000000',
  },
}

SCSS

$custom: #5557d7;
$custom-light: #9186e4;
$custom-dark: #000000;

JSON

{
  "hex": "#5557d7",
  "rgb": {
    "r": 85,
    "g": 87,
    "b": 215
  },
  "hsl": {
    "h": 239.077,
    "s": 61.905,
    "l": 58.824
  },
  "oklch": {
    "l": 0.52989,
    "c": 0.19173,
    "h": 277
  },
  "luminance": 0.13654
}

Semantic roles & 50–950 ramp

primary

#5557D7

secondary

#DEDDAA

accent

#E243E5

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5557D7

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

Preview Lab → · Contrast checker → · Palette generator →