#515DD8#515DD8

#515DD8 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.9% C 0.187 H 274.1°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#515DD8
RGB	rgb(81, 93, 216)
HSL	hsl(235, 63%, 58%)
HSV	hsv(235, 63%, 85%)
CMYK	cmyk(62.5%, 56.9%, 0%, 15.3%)
CIE-LAB	lab(44.99, 33.01, -64.72)
CIE-LCH	lch(44.99, 72.65, 297.02°)
OKLab	oklab(53.88% 0.0133 -0.1861)
OKLCH	oklch(53.88% 0.187 274.1)
XYZ	xyz(19.6983, 14.5343, 66.7198)
Luminance	0.1454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DD8 #D8CC51

analogous

#51A0D8 #515DD8 #8851D8

triadic

#515DD8 #D8515D #5DD851

tetradic

#515DD8 #D851A0 #D8CC51 #51D888

square

#515DD8 #D851A0 #D8CC51 #51D888

split-complementary

#515DD8 #D88851 #A0D851

monochromatic

#202A8F #2B38C1 #515DD8 #838CE3 #B5BAEE

Accessibility & contrast

On white

5.37

#515DD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#515DD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DD8

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DD8	#FFFFFF	#000000	##FFFFFF
##515DD8	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071DC

Deuteranopia (green-blind)

#0065D6

Tritanopia (blue-blind)

#007B91

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #515dd8;
/* rgb */ color: rgb(81, 93, 216);
/* oklch */ color: oklch(53.9% 0.187 274.1);

Tailwind

colors: {
  custom: {
    50: '#8f8ae5',
    500: '#515dd8',
    950: '#000000',
  },
}

SCSS

$custom: #515dd8;
$custom-light: #8f8ae5;
$custom-dark: #000000;

JSON

{
  "hex": "#515dd8",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 216
  },
  "hsl": {
    "h": 234.667,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.53878,
    "c": 0.18655,
    "h": 274.1
  },
  "luminance": 0.14536
}

Semantic roles & 50–950 ramp

primary

#515DD8

secondary

#DDD9A8

accent

#D841E6

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #515DD8

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

Preview Lab → · Contrast checker → · Palette generator →