#515FE1#515FE1

#515FE1 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.9% C 0.196 H 273.4°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#515FE1
RGB	rgb(81, 95, 225)
HSL	hsl(234, 71%, 60%)
HSV	hsv(234, 64%, 88%)
CMYK	cmyk(64%, 57.8%, 0%, 11.8%)
CIE-LAB	lab(46.13, 34.79, -67.98)
CIE-LCH	lch(46.13, 76.36, 297.11°)
OKLab	oklab(54.94% 0.0117 -0.1956)
OKLCH	oklch(54.94% 0.196 273.4)
XYZ	xyz(21.0716, 15.3682, 73.0755)
Luminance	0.1537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FE1 #E1D351

analogous

#51A7E1 #515FE1 #8B51E1

triadic

#515FE1 #E1515F #5FE151

tetradic

#515FE1 #E151A7 #E1D351 #51E18B

square

#515FE1 #E151A7 #E1D351 #51E18B

split-complementary

#515FE1 #E18B51 #A7E151

monochromatic

#1B289D #2435D1 #515FE1 #858FEA #B9BFF3

Accessibility & contrast

On white

5.15

#515FE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#515FE1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FE1

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FE1	#FFFFFF	#000000	##FFFFFF
##515FE1	1.00	5.15	4.07	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E5

Deuteranopia (green-blind)

#0067DE

Tritanopia (blue-blind)

#007F97

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #515fe1;
/* rgb */ color: rgb(81, 95, 225);
/* oklch */ color: oklch(54.9% 0.196 273.4);

Tailwind

colors: {
  custom: {
    50: '#918ceb',
    500: '#515fe1',
    950: '#000000',
  },
}

SCSS

$custom: #515fe1;
$custom-light: #918ceb;
$custom-dark: #000000;

JSON

{
  "hex": "#515fe1",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 225
  },
  "hsl": {
    "h": 234.167,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.54936,
    "c": 0.19597,
    "h": 273.4
  },
  "luminance": 0.1537
}

Semantic roles & 50–950 ramp

primary

#515FE1

secondary

#E3DDAB

accent

#DC3AED

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #515FE1

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

Preview Lab → · Contrast checker → · Palette generator →