#5557E7#5557E7

#5557E7 is a mid, highly saturated blue. Relative luminance 0.145; OKLCH L 54.3% C 0.212 H 276.1°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#5557E7
RGB	rgb(85, 87, 231)
HSL	hsl(239, 75%, 62%)
HSV	hsv(239, 63%, 91%)
CMYK	cmyk(63.2%, 62.3%, 0%, 9.4%)
CIE-LAB	lab(44.96, 42.23, -73.27)
CIE-LCH	lch(44.96, 84.57, 299.96°)
OKLab	oklab(54.28% 0.0225 -0.2111)
OKLCH	oklch(54.28% 0.212 276.1)
XYZ	xyz(21.5736, 14.5154, 77.2507)
Luminance	0.1452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5557E7 #E7E555

analogous

#55A0E7 #5557E7 #9C55E7

triadic

#5557E7 #E75557 #57E755

tetradic

#5557E7 #E755A0 #E7E555 #55E79C

square

#5557E7 #E755A0 #E7E555 #55E79C

split-complementary

#5557E7 #E79C55 #A0E755

monochromatic

#181AAA #2022DF #5557E7 #8B8CEF #C0C1F6

Accessibility & contrast

On white

5.38

#5557E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#5557E7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5557E7

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5557E7	#FFFFFF	#000000	##FFFFFF
##5557E7	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071EC

Deuteranopia (green-blind)

#0064E4

Tritanopia (blue-blind)

#007B97

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5557e7;
/* rgb */ color: rgb(85, 87, 231);
/* oklch */ color: oklch(54.3% 0.212 276.1);

Tailwind

colors: {
  custom: {
    50: '#9487f0',
    500: '#5557e7',
    950: '#000000',
  },
}

SCSS

$custom: #5557e7;
$custom-light: #9487f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5557e7",
  "rgb": {
    "r": 85,
    "g": 87,
    "b": 231
  },
  "hsl": {
    "h": 239.178,
    "s": 75.258,
    "l": 61.961
  },
  "oklch": {
    "l": 0.5428,
    "c": 0.21233,
    "h": 276.1
  },
  "luminance": 0.14517
}

Semantic roles & 50–950 ramp

primary

#5557E7

secondary

#E7E6B1

accent

#D50ED7

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0B17

muted

#7E7C85

Preview Lab

Preview with #5557E7

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

Preview Lab → · Contrast checker → · Palette generator →