#515EE1#515EE1

#515EE1 is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.8% C 0.197 H 273.6°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#515EE1
RGB	rgb(81, 94, 225)
HSL	hsl(235, 71%, 60%)
HSV	hsv(235, 64%, 88%)
CMYK	cmyk(64%, 58.2%, 0%, 11.8%)
CIE-LAB	lab(45.89, 35.41, -68.37)
CIE-LCH	lch(45.89, 77.00, 297.38°)
OKLab	oklab(54.76% 0.0125 -0.1968)
OKLCH	oklch(54.76% 0.197 273.6)
XYZ	xyz(20.9821, 15.1892, 73.0456)
Luminance	0.1519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515EE1 #E1D451

analogous

#51A6E1 #515EE1 #8C51E1

triadic

#515EE1 #E1515E #5EE151

tetradic

#515EE1 #E151A6 #E1D451 #51E18C

square

#515EE1 #E151A6 #E1D451 #51E18C

split-complementary

#515EE1 #E18C51 #A6E151

monochromatic

#1B279D #2434D1 #515EE1 #858EEA #B9BFF3

Accessibility & contrast

On white

5.20

#515EE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#515EE1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515EE1

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515EE1	#FFFFFF	#000000	##FFFFFF
##515EE1	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073E5

Deuteranopia (green-blind)

#0066DE

Tritanopia (blue-blind)

#007E96

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #515ee1;
/* rgb */ color: rgb(81, 94, 225);
/* oklch */ color: oklch(54.8% 0.197 273.6);

Tailwind

colors: {
  custom: {
    50: '#918beb',
    500: '#515ee1',
    950: '#000000',
  },
}

SCSS

$custom: #515ee1;
$custom-light: #918beb;
$custom-dark: #000000;

JSON

{
  "hex": "#515ee1",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 225
  },
  "hsl": {
    "h": 234.583,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.54756,
    "c": 0.19719,
    "h": 273.6
  },
  "luminance": 0.15191
}

Semantic roles & 50–950 ramp

primary

#515EE1

secondary

#E3DEAB

accent

#DD3AED

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #515EE1

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

Preview Lab → · Contrast checker → · Palette generator →