#5751E0#5751E0

#5751E0 is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 52.9% C 0.210 H 278.3°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#5751E0
RGB	rgb(87, 81, 224)
HSL	hsl(243, 70%, 60%)
HSV	hsv(243, 64%, 88%)
CMYK	cmyk(61.2%, 63.8%, 0%, 12.2%)
CIE-LAB	lab(43.20, 43.82, -72.18)
CIE-LCH	lch(43.20, 84.44, 301.26°)
OKLab	oklab(52.85% 0.0302 -0.2079)
OKLCH	oklch(52.85% 0.21 278.3)
XYZ	xyz(20.3231, 13.2914, 72.0011)
Luminance	0.1329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5751E0 #DAE051

analogous

#5193E0 #5751E0 #9E51E0

triadic

#5751E0 #E05751 #51E057

tetradic

#5751E0 #E05193 #DAE051 #51E09E

square

#5751E0 #E05193 #DAE051 #51E09E

split-complementary

#5751E0 #E09E51 #93E051

monochromatic

#211C9B #2C25CF #5751E0 #8985E9 #BBB9F3

Accessibility & contrast

On white

5.74

#5751E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#5751E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5751E0

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5751E0	#FFFFFF	#000000	##FFFFFF
##5751E0	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE5

Deuteranopia (green-blind)

#0060DD

Tritanopia (blue-blind)

#007591

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5751e0;
/* rgb */ color: rgb(87, 81, 224);
/* oklch */ color: oklch(52.9% 0.210 278.3);

Tailwind

colors: {
  custom: {
    50: '#9482eb',
    500: '#5751e0',
    950: '#000000',
  },
}

SCSS

$custom: #5751e0;
$custom-light: #9482eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5751e0",
  "rgb": {
    "r": 87,
    "g": 81,
    "b": 224
  },
  "hsl": {
    "h": 242.517,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.52854,
    "c": 0.21009,
    "h": 278.3
  },
  "luminance": 0.13293
}

Semantic roles & 50–950 ramp

primary

#5751E0

secondary

#E0E2AB

accent

#ED3BE5

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0A16

muted

#7E7C84

Preview Lab

Preview with #5751E0

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

Preview Lab → · Contrast checker → · Palette generator →