#5155E7#5155E7

#5155E7 is a mid, highly saturated blue. Relative luminance 0.140; OKLCH L 53.7% C 0.216 H 275.2°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#5155E7
RGB	rgb(81, 85, 231)
HSL	hsl(238, 76%, 61%)
HSV	hsv(238, 65%, 91%)
CMYK	cmyk(64.9%, 63.2%, 0%, 9.4%)
CIE-LAB	lab(44.25, 42.85, -74.44)
CIE-LCH	lch(44.25, 85.89, 299.93°)
OKLab	oklab(53.69% 0.0195 -0.2147)
OKLCH	oklch(53.69% 0.216 275.2)
XYZ	xyz(21.0609, 14.0140, 77.1809)
Luminance	0.1402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5155E7 #E7E351

analogous

#51A0E7 #5155E7 #9851E7

triadic

#5155E7 #E75155 #55E751

tetradic

#5155E7 #E751A0 #E7E351 #51E798

square

#5155E7 #E751A0 #E7E351 #51E798

split-complementary

#5155E7 #E79851 #A0E751

monochromatic

#171BA7 #1E23DC #5155E7 #878AEE #BDBEF6

Accessibility & contrast

On white

5.52

#5155E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#5155E7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5155E7

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5155E7	#FFFFFF	#000000	##FFFFFF
##5155E7	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)

#006FEC

Deuteranopia (green-blind)

#0062E4

Tritanopia (blue-blind)

#007A96

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5155e7;
/* rgb */ color: rgb(81, 85, 231);
/* oklch */ color: oklch(53.7% 0.216 275.2);

Tailwind

colors: {
  custom: {
    50: '#9285f0',
    500: '#5155e7',
    950: '#000000',
  },
}

SCSS

$custom: #5155e7;
$custom-light: #9285f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5155e7",
  "rgb": {
    "r": 81,
    "g": 85,
    "b": 231
  },
  "hsl": {
    "h": 238.4,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.53693,
    "c": 0.21556,
    "h": 275.2
  },
  "luminance": 0.14016
}

Semantic roles & 50–950 ramp

primary

#5155E7

secondary

#E6E5AE

accent

#D30ED8

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #5155E7

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

Preview Lab → · Contrast checker → · Palette generator →