#515CCC#515CCC

#515CCC is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.8% C 0.172 H 274.7°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#515CCC
RGB	rgb(81, 92, 204)
HSL	hsl(235, 55%, 56%)
HSV	hsv(235, 60%, 80%)
CMYK	cmyk(60.3%, 54.9%, 0%, 20%)
CIE-LAB	lab(43.89, 29.60, -59.63)
CIE-LCH	lch(43.89, 66.57, 296.40°)
OKLab	oklab(52.79% 0.014 -0.1711)
OKLCH	oklch(52.79% 0.172 274.7)
XYZ	xyz(18.1160, 13.7618, 58.8167)
Luminance	0.1376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CCC #CCC151

analogous

#5199CC #515CCC #8351CC

triadic

#515CCC #CC515C #5CCC51

tetradic

#515CCC #CC5199 #CCC151 #51CC83

square

#515CCC #CC5199 #CCC151 #51CC83

split-complementary

#515CCC #CC8351 #99CC51

monochromatic

#252D7E #333EAD #515CCC #8088DA #B0B5E8

Accessibility & contrast

On white

5.60

#515CCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#515CCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CCC

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CCC	#FFFFFF	#000000	##FFFFFF
##515CCC	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)

#056DD0

Deuteranopia (green-blind)

#0063CA

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #515ccc;
/* rgb */ color: rgb(81, 92, 204);
/* oklch */ color: oklch(52.8% 0.172 274.7);

Tailwind

colors: {
  custom: {
    50: '#8d8adc',
    500: '#515ccc',
    950: '#000000',
  },
}

SCSS

$custom: #515ccc;
$custom-light: #8d8adc;
$custom-dark: #000000;

JSON

{
  "hex": "#515ccc",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 204
  },
  "hsl": {
    "h": 234.634,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.52787,
    "c": 0.17166,
    "h": 274.7
  },
  "luminance": 0.13763
}

Semantic roles & 50–950 ramp

primary

#515CCC

secondary

#D6D1A3

accent

#D14ADE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515CCC

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

Preview Lab → · Contrast checker → · Palette generator →