#5161E4#5161E4

#5161E4 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.5% C 0.197 H 272.9°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#5161E4
RGB	rgb(81, 97, 228)
HSL	hsl(233, 73%, 61%)
HSV	hsv(233, 64%, 89%)
CMYK	cmyk(64.5%, 57.5%, 0%, 10.6%)
CIE-LAB	lab(46.84, 34.57, -68.53)
CIE-LCH	lch(46.84, 76.75, 296.77°)
OKLab	oklab(55.53% 0.01 -0.1972)
OKLCH	oklch(55.53% 0.197 272.9)
XYZ	xyz(21.6670, 15.8982, 75.3106)
Luminance	0.1590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5161E4 #E4D451

analogous

#51ABE4 #5161E4 #8A51E4

triadic

#5161E4 #E45161 #61E451

tetradic

#5161E4 #E451AB #E4D451 #51E48A

square

#5161E4 #E451AB #E4D451 #51E48A

split-complementary

#5161E4 #E48A51 #ABE451

monochromatic

#1928A2 #2135D7 #5161E4 #8691EC #BBC1F4

Accessibility & contrast

On white

5.02

#5161E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#5161E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5161E4

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5161E4	#FFFFFF	#000000	##FFFFFF
##5161E4	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076E8

Deuteranopia (green-blind)

#0069E1

Tritanopia (blue-blind)

#008199

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5161e4;
/* rgb */ color: rgb(81, 97, 228);
/* oklch */ color: oklch(55.5% 0.197 272.9);

Tailwind

colors: {
  custom: {
    50: '#918ded',
    500: '#5161e4',
    950: '#000000',
  },
}

SCSS

$custom: #5161e4;
$custom-light: #918ded;
$custom-dark: #000000;

JSON

{
  "hex": "#5161e4",
  "rgb": {
    "r": 81,
    "g": 97,
    "b": 228
  },
  "hsl": {
    "h": 233.469,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.5553,
    "c": 0.19747,
    "h": 272.9
  },
  "luminance": 0.159
}

Semantic roles & 50–950 ramp

primary

#5161E4

secondary

#E4DEAC

accent

#C010D5

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5161E4

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

Preview Lab → · Contrast checker → · Palette generator →