#515DC7#515DC7

#515DC7 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.6% C 0.164 H 274.5°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#515DC7
RGB	rgb(81, 93, 199)
HSL	hsl(234, 51%, 55%)
HSV	hsv(234, 59%, 78%)
CMYK	cmyk(59.3%, 53.3%, 0%, 22%)
CIE-LAB	lab(43.80, 27.30, -56.89)
CIE-LCH	lch(43.80, 63.10, 295.64°)
OKLab	oklab(52.61% 0.0127 -0.163)
OKLCH	oklch(52.61% 0.164 274.5)
XYZ	xyz(17.6131, 13.7002, 55.7380)
Luminance	0.1370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DC7 #C7BB51

analogous

#5198C7 #515DC7 #8051C7

triadic

#515DC7 #C7515D #5DC751

tetradic

#515DC7 #C75198 #C7BB51 #51C780

square

#515DC7 #C75198 #C7BB51 #51C780

split-complementary

#515DC7 #C78051 #98C751

monochromatic

#262F77 #3541A6 #515DC7 #7F88D6 #AEB3E5

Accessibility & contrast

On white

5.61

#515DC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#515DC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DC7

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DC7	#FFFFFF	#000000	##FFFFFF
##515DC7	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B6DCB

Deuteranopia (green-blind)

#0063C5

Tritanopia (blue-blind)

#007689

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #515dc7;
/* rgb */ color: rgb(81, 93, 199);
/* oklch */ color: oklch(52.6% 0.164 274.5);

Tailwind

colors: {
  custom: {
    50: '#8c8ad9',
    500: '#515dc7',
    950: '#000000',
  },
}

SCSS

$custom: #515dc7;
$custom-light: #8c8ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#515dc7",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 199
  },
  "hsl": {
    "h": 233.898,
    "s": 51.304,
    "l": 54.902
  },
  "oklch": {
    "l": 0.52611,
    "c": 0.16352,
    "h": 274.5
  },
  "luminance": 0.13702
}

Semantic roles & 50–950 ramp

primary

#515DC7

secondary

#D3CEA1

accent

#CC4DDB

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515DC7

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

Preview Lab → · Contrast checker → · Palette generator →