#515CD3#515CD3

#515CD3 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.3% C 0.181 H 274.5°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#515CD3
RGB	rgb(81, 92, 211)
HSL	hsl(235, 60%, 57%)
HSV	hsv(235, 62%, 83%)
CMYK	cmyk(61.6%, 56.4%, 0%, 17.3%)
CIE-LAB	lab(44.38, 31.95, -62.85)
CIE-LCH	lch(44.38, 70.50, 296.95°)
OKLab	oklab(53.31% 0.0142 -0.1806)
OKLCH	oklch(53.31% 0.181 274.5)
XYZ	xyz(18.9745, 14.1052, 63.3381)
Luminance	0.1411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CD3 #D3C851

analogous

#519DD3 #515CD3 #8751D3

triadic

#515CD3 #D3515C #5CD351

tetradic

#515CD3 #D3519D #D3C851 #51D387

square

#515CD3 #D3519D #D3C851 #51D387

split-complementary

#515CD3 #D38751 #9DD351

monochromatic

#222B87 #2F3AB8 #515CD3 #828ADF #B3B8EC

Accessibility & contrast

On white

5.50

#515CD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#515CD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CD3

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CD3	#FFFFFF	#000000	##FFFFFF
##515CD3	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD7

Deuteranopia (green-blind)

#0063D1

Tritanopia (blue-blind)

#00788E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #515cd3;
/* rgb */ color: rgb(81, 92, 211);
/* oklch */ color: oklch(53.3% 0.181 274.5);

Tailwind

colors: {
  custom: {
    50: '#8e8ae1',
    500: '#515cd3',
    950: '#000000',
  },
}

SCSS

$custom: #515cd3;
$custom-light: #8e8ae1;
$custom-dark: #000000;

JSON

{
  "hex": "#515cd3",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 211
  },
  "hsl": {
    "h": 234.923,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.53313,
    "c": 0.18111,
    "h": 274.5
  },
  "luminance": 0.14107
}

Semantic roles & 50–950 ramp

primary

#515CD3

secondary

#DAD6A6

accent

#D545E3

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515CD3

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

Preview Lab → · Contrast checker → · Palette generator →