#515FD3#515FD3

#515FD3 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.9% C 0.177 H 273.7°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#515FD3
RGB	rgb(81, 95, 211)
HSL	hsl(234, 60%, 57%)
HSV	hsv(234, 62%, 83%)
CMYK	cmyk(61.6%, 55%, 0%, 17.3%)
CIE-LAB	lab(45.13, 30.08, -61.63)
CIE-LCH	lch(45.13, 68.58, 296.02°)
OKLab	oklab(53.87% 0.0114 -0.177)
OKLCH	oklch(53.87% 0.177 273.7)
XYZ	xyz(19.2395, 14.6353, 63.4264)
Luminance	0.1464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FD3 #D3C551

analogous

#51A0D3 #515FD3 #8451D3

triadic

#515FD3 #D3515F #5FD351

tetradic

#515FD3 #D351A0 #D3C551 #51D384

square

#515FD3 #D351A0 #D3C551 #51D384

split-complementary

#515FD3 #D38451 #A0D351

monochromatic

#222D87 #2F3DB8 #515FD3 #828CDF #B3B9EC

Accessibility & contrast

On white

5.35

#515FD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#515FD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FD3

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FD3	#FFFFFF	#000000	##FFFFFF
##515FD3	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071D7

Deuteranopia (green-blind)

#0065D1

Tritanopia (blue-blind)

#007A90

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #515fd3;
/* rgb */ color: rgb(81, 95, 211);
/* oklch */ color: oklch(53.9% 0.177 273.7);

Tailwind

colors: {
  custom: {
    50: '#8e8ce1',
    500: '#515fd3',
    950: '#000000',
  },
}

SCSS

$custom: #515fd3;
$custom-light: #8e8ce1;
$custom-dark: #000000;

JSON

{
  "hex": "#515fd3",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 211
  },
  "hsl": {
    "h": 233.538,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.5387,
    "c": 0.17734,
    "h": 273.7
  },
  "luminance": 0.14637
}

Semantic roles & 50–950 ramp

primary

#515FD3

secondary

#DAD5A6

accent

#D245E3

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #515FD3

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

Preview Lab → · Contrast checker → · Palette generator →