#6166EA#6166EA

#6166EA is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.9% C 0.195 H 276.8°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#6166EA
RGB	rgb(97, 102, 234)
HSL	hsl(238, 77%, 65%)
HSV	hsv(238, 59%, 92%)
CMYK	cmyk(58.5%, 56.4%, 0%, 8.2%)
CIE-LAB	lab(49.48, 36.11, -67.59)
CIE-LCH	lch(49.48, 76.63, 298.11°)
OKLab	oklab(57.89% 0.023 -0.194)
OKLCH	oklch(57.89% 0.195 276.8)
XYZ	xyz(24.5276, 17.9828, 80.0045)
Luminance	0.1799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166EA #EAE561

analogous

#61ABEA #6166EA #A061EA

triadic

#6166EA #EA6166 #66EA61

tetradic

#6166EA #EA61AB #EAE561 #61EAA0

square

#6166EA #EA61AB #EAE561 #61EAA0

split-complementary

#6166EA #EAA061 #ABEA61

monochromatic

#181EB8 #2B32E3 #6166EA #979AF1 #CDCFF8

Accessibility & contrast

On white

4.57

#6166EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#6166EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6166EA

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166EA	#FFFFFF	#000000	##000000
##6166EA	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BEE

Deuteranopia (green-blind)

#0070E7

Tritanopia (blue-blind)

#00859E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #6166ea;
/* rgb */ color: rgb(97, 102, 234);
/* oklch */ color: oklch(57.9% 0.195 276.8);

Tailwind

colors: {
  custom: {
    50: '#9a91f2',
    500: '#6166ea',
    950: '#000000',
  },
}

SCSS

$custom: #6166ea;
$custom-light: #9a91f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6166ea",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 234
  },
  "hsl": {
    "h": 237.81,
    "s": 76.536,
    "l": 64.902
  },
  "oklch": {
    "l": 0.57885,
    "c": 0.19537,
    "h": 276.8
  },
  "luminance": 0.17985
}

Semantic roles & 50–950 ramp

primary

#6166EA

secondary

#EBE9BC

accent

#D10DD9

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0D17

muted

#7F7D85

Preview Lab

Preview with #6166EA

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

Preview Lab → · Contrast checker → · Palette generator →