#515CD2#515CD2

#515CD2 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.2% C 0.180 H 274.5°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#515CD2
RGB	rgb(81, 92, 210)
HSL	hsl(235, 59%, 57%)
HSV	hsv(235, 61%, 82%)
CMYK	cmyk(61.4%, 56.2%, 0%, 17.6%)
CIE-LAB	lab(44.31, 31.61, -62.39)
CIE-LCH	lch(44.31, 69.94, 296.87°)
OKLab	oklab(53.24% 0.0141 -0.1792)
OKLCH	oklch(53.24% 0.18 274.5)
XYZ	xyz(18.8495, 14.0552, 62.6799)
Luminance	0.1406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CD2 #D2C751

analogous

#519CD2 #515CD2 #8751D2

triadic

#515CD2 #D2515C #5CD251

tetradic

#515CD2 #D2519C #D2C751 #51D287

square

#515CD2 #D2519C #D2C751 #51D287

split-complementary

#515CD2 #D28751 #9CD251

monochromatic

#232B86 #2F3BB7 #515CD2 #828ADF #B2B7EB

Accessibility & contrast

On white

5.51

#515CD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#515CD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CD2

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CD2	#FFFFFF	#000000	##FFFFFF
##515CD2	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD6

Deuteranopia (green-blind)

#0063D0

Tritanopia (blue-blind)

#00788E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #515cd2;
/* rgb */ color: rgb(81, 92, 210);
/* oklch */ color: oklch(53.2% 0.180 274.5);

Tailwind

colors: {
  custom: {
    50: '#8e8ae1',
    500: '#515cd2',
    950: '#000000',
  },
}

SCSS

$custom: #515cd2;
$custom-light: #8e8ae1;
$custom-dark: #000000;

JSON

{
  "hex": "#515cd2",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 210
  },
  "hsl": {
    "h": 234.884,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.53237,
    "c": 0.17978,
    "h": 274.5
  },
  "luminance": 0.14057
}

Semantic roles & 50–950 ramp

primary

#515CD2

secondary

#DAD5A5

accent

#D546E2

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515CD2

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

Preview Lab → · Contrast checker → · Palette generator →