#515CC4#515CC4

#515CC4 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.2% C 0.161 H 274.8°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#515CC4
RGB	rgb(81, 92, 196)
HSL	hsl(234, 49%, 54%)
HSV	hsv(234, 59%, 77%)
CMYK	cmyk(58.7%, 53.1%, 0%, 23.1%)
CIE-LAB	lab(43.34, 26.92, -55.89)
CIE-LCH	lch(43.34, 62.04, 295.72°)
OKLab	oklab(52.2% 0.0136 -0.1601)
OKLCH	oklch(52.2% 0.161 274.8)
XYZ	xyz(17.1810, 13.3879, 53.8926)
Luminance	0.1339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CC4 #C4B951

analogous

#5196C4 #515CC4 #8051C4

triadic

#515CC4 #C4515C #5CC451

tetradic

#515CC4 #C45196 #C4B951 #51C480

square

#515CC4 #C45196 #C4B951 #51C480

split-complementary

#515CC4 #C48051 #96C451

monochromatic

#272E73 #3741A1 #515CC4 #7F87D3 #ACB2E3

Accessibility & contrast

On white

5.71

#515CC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#515CC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CC4

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CC4	#FFFFFF	#000000	##FFFFFF
##515CC4	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D6BC8

Deuteranopia (green-blind)

#0062C2

Tritanopia (blue-blind)

#007487

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #515cc4;
/* rgb */ color: rgb(81, 92, 196);
/* oklch */ color: oklch(52.2% 0.161 274.8);

Tailwind

colors: {
  custom: {
    50: '#8c8ad6',
    500: '#515cc4',
    950: '#000000',
  },
}

SCSS

$custom: #515cc4;
$custom-light: #8c8ad6;
$custom-dark: #000000;

JSON

{
  "hex": "#515cc4",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 196
  },
  "hsl": {
    "h": 234.261,
    "s": 49.356,
    "l": 54.314
  },
  "oklch": {
    "l": 0.52203,
    "c": 0.16067,
    "h": 274.8
  },
  "luminance": 0.13389
}

Semantic roles & 50–950 ramp

primary

#515CC4

secondary

#D1CCA0

accent

#CC4FD9

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #515CC4

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

Preview Lab → · Contrast checker → · Palette generator →