#515DE1#515DE1

#515DE1 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.6% C 0.198 H 273.9°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#515DE1
RGB	rgb(81, 93, 225)
HSL	hsl(235, 71%, 60%)
HSV	hsv(235, 64%, 88%)
CMYK	cmyk(64%, 58.7%, 0%, 11.8%)
CIE-LAB	lab(45.65, 36.02, -68.76)
CIE-LCH	lch(45.65, 77.63, 297.65°)
OKLab	oklab(54.58% 0.0134 -0.1979)
OKLCH	oklch(54.58% 0.198 273.9)
XYZ	xyz(20.8938, 15.0125, 73.0162)
Luminance	0.1501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DE1 #E1D551

analogous

#51A5E1 #515DE1 #8D51E1

triadic

#515DE1 #E1515D #5DE151

tetradic

#515DE1 #E151A5 #E1D551 #51E18D

square

#515DE1 #E151A5 #E1D551 #51E18D

split-complementary

#515DE1 #E18D51 #A5E151

monochromatic

#1B269D #2432D1 #515DE1 #858EEA #B9BEF3

Accessibility & contrast

On white

5.25

#515DE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#515DE1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DE1

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DE1	#FFFFFF	#000000	##FFFFFF
##515DE1	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)

#0073E5

Deuteranopia (green-blind)

#0066DE

Tritanopia (blue-blind)

#007D96

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #515de1;
/* rgb */ color: rgb(81, 93, 225);
/* oklch */ color: oklch(54.6% 0.198 273.9);

Tailwind

colors: {
  custom: {
    50: '#918beb',
    500: '#515de1',
    950: '#000000',
  },
}

SCSS

$custom: #515de1;
$custom-light: #918beb;
$custom-dark: #000000;

JSON

{
  "hex": "#515de1",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 225
  },
  "hsl": {
    "h": 235,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.54577,
    "c": 0.1984,
    "h": 273.9
  },
  "luminance": 0.15014
}

Semantic roles & 50–950 ramp

primary

#515DE1

secondary

#E3DEAB

accent

#DE3AED

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #515DE1

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

Preview Lab → · Contrast checker → · Palette generator →