#515CE4#515CE4

#515CE4 is a mid, highly saturated blue. Relative luminance 0.150; OKLCH L 54.6% C 0.204 H 274.0°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#515CE4
RGB	rgb(81, 92, 228)
HSL	hsl(236, 73%, 61%)
HSV	hsv(236, 64%, 89%)
CMYK	cmyk(64.5%, 59.6%, 0%, 10.6%)
CIE-LAB	lab(45.64, 37.64, -70.48)
CIE-LCH	lch(45.64, 79.90, 298.10°)
OKLab	oklab(54.64% 0.0141 -0.203)
OKLCH	oklch(54.64% 0.204 274)
XYZ	xyz(21.2194, 15.0032, 75.1614)
Luminance	0.1500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CE4 #E4D951

analogous

#51A5E4 #515CE4 #8F51E4

triadic

#515CE4 #E4515C #5CE451

tetradic

#515CE4 #E451A5 #E4D951 #51E48F

square

#515CE4 #E451A5 #E4D951 #51E48F

split-complementary

#515CE4 #E48F51 #A5E451

monochromatic

#1923A2 #212FD7 #515CE4 #868EEC #BBBFF4

Accessibility & contrast

On white

5.25

#515CE4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#515CE4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CE4

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CE4	#FFFFFF	#000000	##FFFFFF
##515CE4	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073E8

Deuteranopia (green-blind)

#0066E1

Tritanopia (blue-blind)

#007E97

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #515ce4;
/* rgb */ color: rgb(81, 92, 228);
/* oklch */ color: oklch(54.6% 0.204 274.0);

Tailwind

colors: {
  custom: {
    50: '#918aed',
    500: '#515ce4',
    950: '#000000',
  },
}

SCSS

$custom: #515ce4;
$custom-light: #918aed;
$custom-dark: #000000;

JSON

{
  "hex": "#515ce4",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 228
  },
  "hsl": {
    "h": 235.51,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.54639,
    "c": 0.20351,
    "h": 274
  },
  "luminance": 0.15005
}

Semantic roles & 50–950 ramp

primary

#515CE4

secondary

#E4E0AC

accent

#C610D5

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #515CE4

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

Preview Lab → · Contrast checker → · Palette generator →