#5751E4#5751E4

#5751E4 is a mid, highly saturated blue. Relative luminance 0.135; OKLCH L 53.2% C 0.215 H 278.0°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#5751E4
RGB	rgb(87, 81, 228)
HSL	hsl(242, 73%, 61%)
HSV	hsv(242, 64%, 89%)
CMYK	cmyk(61.8%, 64.5%, 0%, 10.6%)
CIE-LAB	lab(43.52, 45.09, -73.92)
CIE-LCH	lch(43.52, 86.59, 301.38°)
OKLab	oklab(53.19% 0.0299 -0.213)
OKLCH	oklch(53.19% 0.215 278)
XYZ	xyz(20.8720, 13.5109, 74.8917)
Luminance	0.1351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5751E4 #DEE451

analogous

#5194E4 #5751E4 #A051E4

triadic

#5751E4 #E45751 #51E457

tetradic

#5751E4 #E45194 #DEE451 #51E4A0

square

#5751E4 #E45194 #DEE451 #51E4A0

split-complementary

#5751E4 #E4A051 #94E451

monochromatic

#1F19A2 #2921D7 #5751E4 #8A86EC #BDBBF4

Accessibility & contrast

On white

5.67

#5751E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#5751E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5751E4

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5751E4	#FFFFFF	#000000	##FFFFFF
##5751E4	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE9

Deuteranopia (green-blind)

#0061E1

Tritanopia (blue-blind)

#007793

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5751e4;
/* rgb */ color: rgb(87, 81, 228);
/* oklch */ color: oklch(53.2% 0.215 278.0);

Tailwind

colors: {
  custom: {
    50: '#9583ee',
    500: '#5751e4',
    950: '#000000',
  },
}

SCSS

$custom: #5751e4;
$custom-light: #9583ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5751e4",
  "rgb": {
    "r": 87,
    "g": 81,
    "b": 228
  },
  "hsl": {
    "h": 242.449,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.5319,
    "c": 0.21509,
    "h": 278
  },
  "luminance": 0.13513
}

Semantic roles & 50–950 ramp

primary

#5751E4

secondary

#E2E4AC

accent

#D510CD

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0A16

muted

#7E7C84

Preview Lab

Preview with #5751E4

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

Preview Lab → · Contrast checker → · Palette generator →