#515EE4#515EE4

#515EE4 is a mid, highly saturated blue. Relative luminance 0.154; OKLCH L 55.0% C 0.201 H 273.6°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#515EE4
RGB	rgb(81, 94, 228)
HSL	hsl(235, 73%, 61%)
HSV	hsv(235, 64%, 89%)
CMYK	cmyk(64.5%, 58.8%, 0%, 10.6%)
CIE-LAB	lab(46.12, 36.41, -69.71)
CIE-LCH	lch(46.12, 78.64, 297.58°)
OKLab	oklab(54.99% 0.0125 -0.2007)
OKLCH	oklch(54.99% 0.201 273.6)
XYZ	xyz(21.3950, 15.3543, 75.2199)
Luminance	0.1536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515EE4 #E4D751

analogous

#51A7E4 #515EE4 #8D51E4

triadic

#515EE4 #E4515E #5EE451

tetradic

#515EE4 #E451A7 #E4D751 #51E48D

square

#515EE4 #E451A7 #E4D751 #51E48D

split-complementary

#515EE4 #E48D51 #A7E451

monochromatic

#1925A2 #2131D7 #515EE4 #868FEC #BBC0F4

Accessibility & contrast

On white

5.16

#515EE4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#515EE4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515EE4

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515EE4	#FFFFFF	#000000	##FFFFFF
##515EE4	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E8

Deuteranopia (green-blind)

#0067E1

Tritanopia (blue-blind)

#007F98

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #515ee4;
/* rgb */ color: rgb(81, 94, 228);
/* oklch */ color: oklch(55.0% 0.201 273.6);

Tailwind

colors: {
  custom: {
    50: '#918bed',
    500: '#515ee4',
    950: '#000000',
  },
}

SCSS

$custom: #515ee4;
$custom-light: #918bed;
$custom-dark: #000000;

JSON

{
  "hex": "#515ee4",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 228
  },
  "hsl": {
    "h": 234.694,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.54992,
    "c": 0.20111,
    "h": 273.6
  },
  "luminance": 0.15356
}

Semantic roles & 50–950 ramp

primary

#515EE4

secondary

#E4DFAC

accent

#C410D5

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #515EE4

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

Preview Lab → · Contrast checker → · Palette generator →