#515CD1#515CD1

#515CD1 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.2% C 0.178 H 274.5°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#515CD1
RGB	rgb(81, 92, 209)
HSL	hsl(235, 58%, 57%)
HSV	hsv(235, 61%, 82%)
CMYK	cmyk(61.2%, 56%, 0%, 18%)
CIE-LAB	lab(44.24, 31.28, -61.93)
CIE-LCH	lch(44.24, 69.38, 296.80°)
OKLab	oklab(53.16% 0.0141 -0.1779)
OKLCH	oklch(53.16% 0.178 274.5)
XYZ	xyz(18.7253, 14.0056, 62.0258)
Luminance	0.1401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CD1 #D1C651

analogous

#519CD1 #515CD1 #8651D1

triadic

#515CD1 #D1515C #5CD151

tetradic

#515CD1 #D1519C #D1C651 #51D186

square

#515CD1 #D1519C #D1C651 #51D186

split-complementary

#515CD1 #D18651 #9CD151

monochromatic

#232B85 #303BB5 #515CD1 #8189DE #B2B7EB

Accessibility & contrast

On white

5.52

#515CD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#515CD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CD1

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CD1	#FFFFFF	#000000	##FFFFFF
##515CD1	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED5

Deuteranopia (green-blind)

#0063CF

Tritanopia (blue-blind)

#00788D

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #515cd1;
/* rgb */ color: rgb(81, 92, 209);
/* oklch */ color: oklch(53.2% 0.178 274.5);

Tailwind

colors: {
  custom: {
    50: '#8e8ae0',
    500: '#515cd1',
    950: '#000000',
  },
}

SCSS

$custom: #515cd1;
$custom-light: #8e8ae0;
$custom-dark: #000000;

JSON

{
  "hex": "#515cd1",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 209
  },
  "hsl": {
    "h": 234.844,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.53161,
    "c": 0.17843,
    "h": 274.5
  },
  "luminance": 0.14007
}

Semantic roles & 50–950 ramp

primary

#515CD1

secondary

#D9D5A5

accent

#D446E1

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515CD1

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

Preview Lab → · Contrast checker → · Palette generator →