#515DD4#515DD4

#515DD4 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.6% C 0.181 H 274.2°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#515DD4
RGB	rgb(81, 93, 212)
HSL	hsl(235, 60%, 57%)
HSV	hsv(235, 62%, 83%)
CMYK	cmyk(61.8%, 56.1%, 0%, 16.9%)
CIE-LAB	lab(44.70, 31.66, -62.90)
CIE-LCH	lch(44.70, 70.42, 296.72°)
OKLab	oklab(53.57% 0.0133 -0.1807)
OKLCH	oklch(53.57% 0.181 274.2)
XYZ	xyz(19.1874, 14.3299, 64.0294)
Luminance	0.1433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DD4 #D4C851

analogous

#519ED4 #515DD4 #8751D4

triadic

#515DD4 #D4515D #5DD451

tetradic

#515DD4 #D4519E #D4C851 #51D487

square

#515DD4 #D4519E #D4C851 #51D487

split-complementary

#515DD4 #D48751 #9ED451

monochromatic

#222B89 #2E3BBA #515DD4 #828BE0 #B3B8EC

Accessibility & contrast

On white

5.43

#515DD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#515DD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DD4

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DD4	#FFFFFF	#000000	##FFFFFF
##515DD4	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070D8

Deuteranopia (green-blind)

#0064D2

Tritanopia (blue-blind)

#00798F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #515dd4;
/* rgb */ color: rgb(81, 93, 212);
/* oklch */ color: oklch(53.6% 0.181 274.2);

Tailwind

colors: {
  custom: {
    50: '#8e8ae2',
    500: '#515dd4',
    950: '#000000',
  },
}

SCSS

$custom: #515dd4;
$custom-light: #8e8ae2;
$custom-dark: #000000;

JSON

{
  "hex": "#515dd4",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 212
  },
  "hsl": {
    "h": 234.504,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.53573,
    "c": 0.1812,
    "h": 274.2
  },
  "luminance": 0.14331
}

Semantic roles & 50–950 ramp

primary

#515DD4

secondary

#DBD6A6

accent

#D544E4

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #515DD4

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

Preview Lab → · Contrast checker → · Palette generator →