#515CD0#515CD0

#515CD0 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.1% C 0.177 H 274.6°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#515CD0
RGB	rgb(81, 92, 208)
HSL	hsl(235, 57%, 57%)
HSV	hsv(235, 61%, 82%)
CMYK	cmyk(61.1%, 55.8%, 0%, 18.4%)
CIE-LAB	lab(44.17, 30.94, -61.47)
CIE-LCH	lch(44.17, 68.82, 296.72°)
OKLab	oklab(53.09% 0.0141 -0.1765)
OKLCH	oklch(53.09% 0.177 274.6)
XYZ	xyz(18.6019, 13.9562, 61.3758)
Luminance	0.1396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CD0 #D0C551

analogous

#519CD0 #515CD0 #8651D0

triadic

#515CD0 #D0515C #5CD051

tetradic

#515CD0 #D0519C #D0C551 #51D086

square

#515CD0 #D0519C #D0C551 #51D086

split-complementary

#515CD0 #D08651 #9CD051

monochromatic

#232C83 #303CB3 #515CD0 #8189DD #B1B6EA

Accessibility & contrast

On white

5.54

#515CD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#515CD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CD0

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CD0	#FFFFFF	#000000	##FFFFFF
##515CD0	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED4

Deuteranopia (green-blind)

#0063CE

Tritanopia (blue-blind)

#00788D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #515cd0;
/* rgb */ color: rgb(81, 92, 208);
/* oklch */ color: oklch(53.1% 0.177 274.6);

Tailwind

colors: {
  custom: {
    50: '#8e8adf',
    500: '#515cd0',
    950: '#000000',
  },
}

SCSS

$custom: #515cd0;
$custom-light: #8e8adf;
$custom-dark: #000000;

JSON

{
  "hex": "#515cd0",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 208
  },
  "hsl": {
    "h": 234.803,
    "s": 57.466,
    "l": 56.667
  },
  "oklch": {
    "l": 0.53086,
    "c": 0.17708,
    "h": 274.6
  },
  "luminance": 0.13958
}

Semantic roles & 50–950 ramp

primary

#515CD0

secondary

#D8D4A4

accent

#D347E1

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515CD0

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

Preview Lab → · Contrast checker → · Palette generator →