#5155E1#5155E1

#5155E1 is a mid, highly saturated blue. Relative luminance 0.137; OKLCH L 53.2% C 0.208 H 275.5°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#5155E1
RGB	rgb(81, 85, 225)
HSL	hsl(238, 71%, 60%)
HSV	hsv(238, 64%, 88%)
CMYK	cmyk(64%, 62.2%, 0%, 11.8%)
CIE-LAB	lab(43.77, 40.88, -71.83)
CIE-LCH	lch(43.77, 82.65, 299.65°)
OKLab	oklab(53.19% 0.0199 -0.207)
OKLCH	oklch(53.19% 0.208 275.5)
XYZ	xyz(20.2280, 13.6809, 72.7943)
Luminance	0.1368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5155E1 #E1DD51

analogous

#519DE1 #5155E1 #9551E1

triadic

#5155E1 #E15155 #55E151

tetradic

#5155E1 #E1519D #E1DD51 #51E195

square

#5155E1 #E1519D #E1DD51 #51E195

split-complementary

#5155E1 #E19551 #9DE151

monochromatic

#1B1F9D #2429D1 #5155E1 #8588EA #B9BBF3

Accessibility & contrast

On white

5.62

#5155E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#5155E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5155E1

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5155E1	#FFFFFF	#000000	##FFFFFF
##5155E1	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE5

Deuteranopia (green-blind)

#0061DE

Tritanopia (blue-blind)

#007893

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5155e1;
/* rgb */ color: rgb(81, 85, 225);
/* oklch */ color: oklch(53.2% 0.208 275.5);

Tailwind

colors: {
  custom: {
    50: '#9185eb',
    500: '#5155e1',
    950: '#000000',
  },
}

SCSS

$custom: #5155e1;
$custom-light: #9185eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5155e1",
  "rgb": {
    "r": 81,
    "g": 85,
    "b": 225
  },
  "hsl": {
    "h": 238.333,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.53192,
    "c": 0.20796,
    "h": 275.5
  },
  "luminance": 0.13683
}

Semantic roles & 50–950 ramp

primary

#5155E1

secondary

#E3E1AB

accent

#E83AED

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5155E1

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

Preview Lab → · Contrast checker → · Palette generator →