#5155E0#5155E0

#5155E0 is a mid, highly saturated blue. Relative luminance 0.136; OKLCH L 53.1% C 0.207 H 275.5°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#5155E0
RGB	rgb(81, 85, 224)
HSL	hsl(238, 70%, 60%)
HSV	hsv(238, 64%, 88%)
CMYK	cmyk(63.8%, 62.1%, 0%, 12.2%)
CIE-LAB	lab(43.69, 40.56, -71.39)
CIE-LCH	lch(43.69, 82.10, 299.60°)
OKLab	oklab(53.11% 0.0199 -0.2057)
OKLCH	oklch(53.11% 0.207 275.5)
XYZ	xyz(20.0920, 13.6265, 72.0779)
Luminance	0.1363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5155E0 #E0DC51

analogous

#519CE0 #5155E0 #9551E0

triadic

#5155E0 #E05155 #55E051

tetradic

#5155E0 #E0519C #E0DC51 #51E095

square

#5155E0 #E0519C #E0DC51 #51E095

split-complementary

#5155E0 #E09551 #9CE051

monochromatic

#1C1F9B #252ACF #5155E0 #8588E9 #B9BBF3

Accessibility & contrast

On white

5.64

#5155E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#5155E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5155E0

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5155E0	#FFFFFF	#000000	##FFFFFF
##5155E0	1.00	5.64	3.73	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE4

Deuteranopia (green-blind)

#0061DD

Tritanopia (blue-blind)

#007893

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5155e0;
/* rgb */ color: rgb(81, 85, 224);
/* oklch */ color: oklch(53.1% 0.207 275.5);

Tailwind

colors: {
  custom: {
    50: '#9185eb',
    500: '#5155e0',
    950: '#000000',
  },
}

SCSS

$custom: #5155e0;
$custom-light: #9185eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5155e0",
  "rgb": {
    "r": 81,
    "g": 85,
    "b": 224
  },
  "hsl": {
    "h": 238.322,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.53109,
    "c": 0.20668,
    "h": 275.5
  },
  "luminance": 0.13628
}

Semantic roles & 50–950 ramp

primary

#5155E0

secondary

#E2E0AB

accent

#E83BED

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5155E0

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

Preview Lab → · Contrast checker → · Palette generator →