#5150E5#5150E5

#5150E5 is a mid, highly saturated blue. Relative luminance 0.131; OKLCH L 52.7% C 0.219 H 276.1°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#5150E5
RGB	rgb(81, 80, 229)
HSL	hsl(240, 74%, 61%)
HSV	hsv(240, 65%, 90%)
CMYK	cmyk(64.6%, 65.1%, 0%, 10.2%)
CIE-LAB	lab(42.98, 45.16, -75.40)
CIE-LCH	lch(42.98, 87.88, 300.92°)
OKLab	oklab(52.71% 0.0234 -0.2175)
OKLCH	oklch(52.71% 0.219 276.1)
XYZ	xyz(20.4002, 13.1421, 75.5752)
Luminance	0.1314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5150E5 #E4E550

analogous

#5099E5 #5150E5 #9C50E5

triadic

#5150E5 #E55150 #50E551

tetradic

#5150E5 #E55099 #E4E550 #50E59C

square

#5150E5 #E55099 #E4E550 #50E59C

split-complementary

#5150E5 #E59C50 #99E550

monochromatic

#1918A2 #2120D8 #5150E5 #8685ED #BBBBF5

Accessibility & contrast

On white

5.79

#5150E5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#5150E5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5150E5

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5150E5	#FFFFFF	#000000	##FFFFFF
##5150E5	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CEA

Deuteranopia (green-blind)

#005FE2

Tritanopia (blue-blind)

#007794

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5150e5;
/* rgb */ color: rgb(81, 80, 229);
/* oklch */ color: oklch(52.7% 0.219 276.1);

Tailwind

colors: {
  custom: {
    50: '#9282ee',
    500: '#5150e5',
    950: '#000000',
  },
}

SCSS

$custom: #5150e5;
$custom-light: #9282ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5150e5",
  "rgb": {
    "r": 81,
    "g": 80,
    "b": 229
  },
  "hsl": {
    "h": 240.403,
    "s": 74.129,
    "l": 60.588
  },
  "oklch": {
    "l": 0.52712,
    "c": 0.21876,
    "h": 276.1
  },
  "luminance": 0.13144
}

Semantic roles & 50–950 ramp

primary

#5150E5

secondary

#E4E5AC

accent

#D60FD5

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A17

muted

#7E7C85

Preview Lab

Preview with #5150E5

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

Preview Lab → · Contrast checker → · Palette generator →