#5143DB#5143DB

#5143DB is a mid, highly saturated blue. Relative luminance 0.109; OKLCH L 49.8% C 0.221 H 278.9°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#5143DB
RGB	rgb(81, 67, 219)
HSL	hsl(246, 68%, 56%)
HSV	hsv(246, 69%, 86%)
CMYK	cmyk(63%, 69.4%, 0%, 14.1%)
CIE-LAB	lab(39.37, 49.43, -75.61)
CIE-LCH	lch(39.37, 90.33, 303.17°)
OKLab	oklab(49.85% 0.034 -0.2181)
OKLCH	oklch(49.85% 0.221 278.9)
XYZ	xyz(18.1826, 10.8767, 68.1453)
Luminance	0.1088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.28

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5143DB #CDDB43

analogous

#4381DB #5143DB #9D43DB

triadic

#5143DB #DB5143 #43DB51

tetradic

#5143DB #DB4381 #CDDB43 #43DB9D

square

#5143DB #DB4381 #CDDB43 #43DB9D

split-complementary

#5143DB #DB9D43 #81DB43

monochromatic

#251A89 #3224BD #5143DB #8176E5 #B0AAEF

Accessibility & contrast

On white

6.61

#5143DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#5143DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5143DB

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5143DB	#FFFFFF	#000000	##FFFFFF
##5143DB	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E0

Deuteranopia (green-blind)

#0057D8

Tritanopia (blue-blind)

#006C8A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #5143db;
/* rgb */ color: rgb(81, 67, 219);
/* oklch */ color: oklch(49.8% 0.221 278.9);

Tailwind

colors: {
  custom: {
    50: '#9279e7',
    500: '#5143db',
    950: '#000000',
  },
}

SCSS

$custom: #5143db;
$custom-light: #9279e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5143db",
  "rgb": {
    "r": 81,
    "g": 67,
    "b": 219
  },
  "hsl": {
    "h": 245.526,
    "s": 67.857,
    "l": 56.078
  },
  "oklch": {
    "l": 0.49847,
    "c": 0.22077,
    "h": 278.9
  },
  "luminance": 0.10878
}

Semantic roles & 50–950 ramp

primary

#5143DB

secondary

#D7DC9E

accent

#EB3DDB

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #5143DB

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

Preview Lab → · Contrast checker → · Palette generator →