#5155D7#5155D7

#5155D7 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.4% C 0.195 H 276.0°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#5155D7
RGB	rgb(81, 85, 215)
HSL	hsl(238, 63%, 58%)
HSV	hsv(238, 62%, 84%)
CMYK	cmyk(62.3%, 60.5%, 0%, 15.7%)
CIE-LAB	lab(42.99, 37.59, -67.40)
CIE-LCH	lch(42.99, 77.17, 299.15°)
OKLab	oklab(52.37% 0.0204 -0.194)
OKLCH	oklch(52.37% 0.195 276)
XYZ	xyz(18.9036, 13.1511, 65.8190)
Luminance	0.1315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5155D7 #D7D351

analogous

#5198D7 #5155D7 #9051D7

triadic

#5155D7 #D75155 #55D751

tetradic

#5155D7 #D75198 #D7D351 #51D790

square

#5155D7 #D75198 #D7D351 #51D790

split-complementary

#5155D7 #D79051 #98D751

monochromatic

#20248D #2C30BF #5155D7 #8386E2 #B5B6EE

Accessibility & contrast

On white

5.78

#5155D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#5155D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5155D7

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5155D7	#FFFFFF	#000000	##FFFFFF
##5155D7	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDB

Deuteranopia (green-blind)

#0060D4

Tritanopia (blue-blind)

#00758E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5155d7;
/* rgb */ color: rgb(81, 85, 215);
/* oklch */ color: oklch(52.4% 0.195 276.0);

Tailwind

colors: {
  custom: {
    50: '#9085e4',
    500: '#5155d7',
    950: '#000000',
  },
}

SCSS

$custom: #5155d7;
$custom-light: #9085e4;
$custom-dark: #000000;

JSON

{
  "hex": "#5155d7",
  "rgb": {
    "r": 81,
    "g": 85,
    "b": 215
  },
  "hsl": {
    "h": 238.209,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.52374,
    "c": 0.19507,
    "h": 276
  },
  "luminance": 0.13153
}

Semantic roles & 50–950 ramp

primary

#5155D7

secondary

#DDDBA7

accent

#E142E6

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5155D7

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

Preview Lab → · Contrast checker → · Palette generator →