#515DC8#515DC8

#515DC8 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.7% C 0.165 H 274.4°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#515DC8
RGB	rgb(81, 93, 200)
HSL	hsl(234, 52%, 55%)
HSV	hsv(234, 60%, 78%)
CMYK	cmyk(59.5%, 53.5%, 0%, 21.6%)
CIE-LAB	lab(43.87, 27.64, -57.36)
CIE-LCH	lch(43.87, 63.67, 295.73°)
OKLab	oklab(52.68% 0.0128 -0.1644)
OKLCH	oklch(52.68% 0.165 274.4)
XYZ	xyz(17.7296, 13.7468, 56.3515)
Luminance	0.1375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DC8 #C8BC51

analogous

#5198C8 #515DC8 #8151C8

triadic

#515DC8 #C8515D #5DC851

tetradic

#515DC8 #C85198 #C8BC51 #51C881

square

#515DC8 #C85198 #C8BC51 #51C881

split-complementary

#515DC8 #C88151 #98C851

monochromatic

#262E79 #3540A7 #515DC8 #8088D7 #AEB4E5

Accessibility & contrast

On white

5.60

#515DC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#515DC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DC8

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DC8	#FFFFFF	#000000	##FFFFFF
##515DC8	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#186DCC

Deuteranopia (green-blind)

#0063C6

Tritanopia (blue-blind)

#007689

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #515dc8;
/* rgb */ color: rgb(81, 93, 200);
/* oklch */ color: oklch(52.7% 0.165 274.4);

Tailwind

colors: {
  custom: {
    50: '#8c8ad9',
    500: '#515dc8',
    950: '#000000',
  },
}

SCSS

$custom: #515dc8;
$custom-light: #8c8ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#515dc8",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 200
  },
  "hsl": {
    "h": 233.95,
    "s": 51.965,
    "l": 55.098
  },
  "oklch": {
    "l": 0.52684,
    "c": 0.1649,
    "h": 274.4
  },
  "luminance": 0.13748
}

Semantic roles & 50–950 ramp

primary

#515DC8

secondary

#D3CEA1

accent

#CD4CDB

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515DC8

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

Preview Lab → · Contrast checker → · Palette generator →