#5138E3#5138E3

#5138E3 is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 49.1% C 0.241 H 279.4°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#5138E3
RGB	rgb(81, 56, 227)
HSL	hsl(249, 75%, 55%)
HSV	hsv(249, 75%, 89%)
CMYK	cmyk(64.3%, 75.3%, 0%, 11%)
CIE-LAB	lab(38.06, 57.62, -82.34)
CIE-LCH	lch(38.06, 100.50, 304.98°)
OKLab	oklab(49.14% 0.0394 -0.2377)
OKLCH	oklch(49.14% 0.241 279.4)
XYZ	xyz(18.6682, 10.1222, 73.6282)
Luminance	0.1012 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 3.62

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5138E3 #CAE338

analogous

#3874E3 #5138E3 #A638E3

triadic

#5138E3 #E35138 #38E351

tetradic

#5138E3 #E33874 #CAE338 #38E3A6

square

#5138E3 #E33874 #CAE338 #38E3A6

split-complementary

#5138E3 #E3A638 #74E338

monochromatic

#25148D #341BC2 #5138E3 #806EEB #AFA3F2

Accessibility & contrast

On white

6.94

#5138E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#5138E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5138E3

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5138E3	#FFFFFF	#000000	##FFFFFF
##5138E3	1.00	6.94	3.02	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060E8

Deuteranopia (green-blind)

#0053E0

Tritanopia (blue-blind)

#006A8C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #5138e3;
/* rgb */ color: rgb(81, 56, 227);
/* oklch */ color: oklch(49.1% 0.241 279.4);

Tailwind

colors: {
  custom: {
    50: '#9473ed',
    500: '#5138e3',
    950: '#000000',
  },
}

SCSS

$custom: #5138e3;
$custom-light: #9473ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5138e3",
  "rgb": {
    "r": 81,
    "g": 56,
    "b": 227
  },
  "hsl": {
    "h": 248.772,
    "s": 75.33,
    "l": 55.49
  },
  "oklch": {
    "l": 0.49143,
    "c": 0.24096,
    "h": 279.4
  },
  "luminance": 0.10124
}

Semantic roles & 50–950 ramp

primary

#5138E3

secondary

#D5DF98

accent

#F236D6

background

#FAF7FE

surface

#F3EDFD

border

#CDC8D5

text

#0F0817

muted

#7F7B85

Preview Lab

Preview with #5138E3

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

Preview Lab → · Contrast checker → · Palette generator →