#5155DE#5155DE

#5155DE is a mid, highly saturated blue. Relative luminance 0.135; OKLCH L 52.9% C 0.204 H 275.6°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#5155DE
RGB	rgb(81, 85, 222)
HSL	hsl(238, 68%, 59%)
HSV	hsv(238, 64%, 87%)
CMYK	cmyk(63.5%, 61.7%, 0%, 12.9%)
CIE-LAB	lab(43.53, 39.90, -70.51)
CIE-LCH	lch(43.53, 81.01, 299.50°)
OKLab	oklab(52.94% 0.02 -0.2031)
OKLCH	oklch(52.94% 0.204 275.6)
XYZ	xyz(19.8223, 13.5186, 70.6578)
Luminance	0.1352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5155DE #DEDA51

analogous

#519CDE #5155DE #9451DE

triadic

#5155DE #DE5155 #55DE51

tetradic

#5155DE #DE519C #DEDA51 #51DE94

square

#5155DE #DE519C #DEDA51 #51DE94

split-complementary

#5155DE #DE9451 #9CDE51

monochromatic

#1D2098 #272BCB #5155DE #8487E8 #B8BAF2

Accessibility & contrast

On white

5.67

#5155DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#5155DE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5155DE

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5155DE	#FFFFFF	#000000	##FFFFFF
##5155DE	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE2

Deuteranopia (green-blind)

#0061DB

Tritanopia (blue-blind)

#007791

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5155de;
/* rgb */ color: rgb(81, 85, 222);
/* oklch */ color: oklch(52.9% 0.204 275.6);

Tailwind

colors: {
  custom: {
    50: '#9185e9',
    500: '#5155de',
    950: '#000000',
  },
}

SCSS

$custom: #5155de;
$custom-light: #9185e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5155de",
  "rgb": {
    "r": 81,
    "g": 85,
    "b": 222
  },
  "hsl": {
    "h": 238.298,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.52944,
    "c": 0.20413,
    "h": 275.6
  },
  "luminance": 0.1352
}

Semantic roles & 50–950 ramp

primary

#5155DE

secondary

#E1DFAA

accent

#E63DEB

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5155DE

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

Preview Lab → · Contrast checker → · Palette generator →