#6166E9#6166E9

#6166E9 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.8% C 0.194 H 276.8°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#6166E9
RGB	rgb(97, 102, 233)
HSL	hsl(238, 76%, 65%)
HSV	hsv(238, 58%, 91%)
CMYK	cmyk(58.4%, 56.2%, 0%, 8.6%)
CIE-LAB	lab(49.41, 35.79, -67.14)
CIE-LCH	lch(49.41, 76.08, 298.06°)
OKLab	oklab(57.81% 0.023 -0.1927)
OKLCH	oklch(57.81% 0.194 276.8)
XYZ	xyz(24.3844, 17.9255, 79.2500)
Luminance	0.1793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166E9 #E9E461

analogous

#61AAE9 #6166E9 #A061E9

triadic

#6166E9 #E96166 #66E961

tetradic

#6166E9 #E961AA #E9E461 #61E9A0

square

#6166E9 #E961AA #E9E461 #61E9A0

split-complementary

#6166E9 #E9A061 #AAE961

monochromatic

#191FB6 #2B32E2 #6166E9 #979AF0 #CCCEF8

Accessibility & contrast

On white

4.58

#6166E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#6166E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6166E9

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166E9	#FFFFFF	#000000	##000000
##6166E9	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BED

Deuteranopia (green-blind)

#0070E6

Tritanopia (blue-blind)

#00859E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #6166e9;
/* rgb */ color: rgb(97, 102, 233);
/* oklch */ color: oklch(57.8% 0.194 276.8);

Tailwind

colors: {
  custom: {
    50: '#9a91f1',
    500: '#6166e9',
    950: '#000000',
  },
}

SCSS

$custom: #6166e9;
$custom-light: #9a91f1;
$custom-dark: #000000;

JSON

{
  "hex": "#6166e9",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 233
  },
  "hsl": {
    "h": 237.794,
    "s": 75.556,
    "l": 64.706
  },
  "oklch": {
    "l": 0.57811,
    "c": 0.19406,
    "h": 276.8
  },
  "luminance": 0.17927
}

Semantic roles & 50–950 ramp

primary

#6166E9

secondary

#EAE9BC

accent

#D00ED8

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0D17

muted

#7F7D85

Preview Lab

Preview with #6166E9

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

Preview Lab → · Contrast checker → · Palette generator →