#515CF3#515CF3

#515CF3 is a mid, highly saturated blue. Relative luminance 0.159; OKLCH L 55.9% C 0.223 H 273.5°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#515CF3
RGB	rgb(81, 92, 243)
HSL	hsl(236, 87%, 64%)
HSV	hsv(236, 67%, 95%)
CMYK	cmyk(66.7%, 62.1%, 0%, 4.7%)
CIE-LAB	lab(46.81, 42.62, -77.02)
CIE-LCH	lch(46.81, 88.03, 298.96°)
OKLab	oklab(55.86% 0.0136 -0.2222)
OKLCH	oklch(55.86% 0.223 273.5)
XYZ	xyz(23.3928, 15.8725, 86.6076)
Luminance	0.1588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CF3 #F3E851

analogous

#51ADF3 #515CF3 #9751F3

triadic

#515CF3 #F3515C #5CF351

tetradic

#515CF3 #F351AD #F3E851 #51F397

square

#515CF3 #F351AD #F3E851 #51F397

split-complementary

#515CF3 #F39751 #ADF351

monochromatic

#0D19BD #1826EF #515CF3 #8A92F7 #C4C7FB

Accessibility & contrast

On white

5.03

#515CF3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#515CF3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CF3

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CF3	#FFFFFF	#000000	##FFFFFF
##515CF3	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076F8

Deuteranopia (green-blind)

#0068F0

Tritanopia (blue-blind)

#00839F

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #515cf3;
/* rgb */ color: rgb(81, 92, 243);
/* oklch */ color: oklch(55.9% 0.223 273.5);

Tailwind

colors: {
  custom: {
    50: '#948af8',
    500: '#515cf3',
    950: '#000000',
  },
}

SCSS

$custom: #515cf3;
$custom-light: #948af8;
$custom-dark: #000000;

JSON

{
  "hex": "#515cf3",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 243
  },
  "hsl": {
    "h": 235.926,
    "s": 87.097,
    "l": 63.529
  },
  "oklch": {
    "l": 0.55863,
    "c": 0.22262,
    "h": 273.5
  },
  "luminance": 0.15875
}

Semantic roles & 50–950 ramp

primary

#515CF3

secondary

#EDE9B3

accent

#D402E4

background

#FAF8FF

surface

#F3F0FF

border

#CDCBD7

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #515CF3

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

Preview Lab → · Contrast checker → · Palette generator →