#515DCD#515DCD

#515DCD is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.0% C 0.172 H 274.4°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#515DCD
RGB	rgb(81, 93, 205)
HSL	hsl(234, 55%, 56%)
HSV	hsv(234, 60%, 80%)
CMYK	cmyk(60.5%, 54.6%, 0%, 19.6%)
CIE-LAB	lab(44.21, 29.31, -59.68)
CIE-LCH	lch(44.21, 66.49, 296.16°)
OKLab	oklab(53.05% 0.013 -0.1712)
OKLCH	oklch(53.05% 0.172 274.4)
XYZ	xyz(18.3235, 13.9844, 59.4794)
Luminance	0.1399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DCD #CDC151

analogous

#519BCD #515DCD #8351CD

triadic

#515DCD #CD515D #5DCD51

tetradic

#515DCD #CD519B #CDC151 #51CD83

square

#515DCD #CD519B #CDC151 #51CD83

split-complementary

#515DCD #CD8351 #9BCD51

monochromatic

#252D7F #323EAF #515DCD #8189DB #B0B6E8

Accessibility & contrast

On white

5.53

#515DCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#515DCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DCD

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DCD	#FFFFFF	#000000	##FFFFFF
##515DCD	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#096ED1

Deuteranopia (green-blind)

#0063CB

Tritanopia (blue-blind)

#00778C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #515dcd;
/* rgb */ color: rgb(81, 93, 205);
/* oklch */ color: oklch(53.0% 0.172 274.4);

Tailwind

colors: {
  custom: {
    50: '#8d8add',
    500: '#515dcd',
    950: '#000000',
  },
}

SCSS

$custom: #515dcd;
$custom-light: #8d8add;
$custom-dark: #000000;

JSON

{
  "hex": "#515dcd",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 205
  },
  "hsl": {
    "h": 234.194,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.5305,
    "c": 0.17174,
    "h": 274.4
  },
  "luminance": 0.13986
}

Semantic roles & 50–950 ramp

primary

#515DCD

secondary

#D7D2A3

accent

#D049DF

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515DCD

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

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