#6166E7#6166E7

#6166E7 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.7% C 0.191 H 276.9°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#6166E7
RGB	rgb(97, 102, 231)
HSL	hsl(238, 74%, 64%)
HSV	hsv(238, 58%, 91%)
CMYK	cmyk(58%, 55.8%, 0%, 9.4%)
CIE-LAB	lab(49.27, 35.15, -66.24)
CIE-LCH	lch(49.27, 74.98, 297.95°)
OKLab	oklab(57.67% 0.023 -0.19)
OKLCH	oklch(57.67% 0.191 276.9)
XYZ	xyz(24.1003, 17.8119, 77.7539)
Luminance	0.1781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166E7 #E7E261

analogous

#61A9E7 #6166E7 #9F61E7

triadic

#6166E7 #E76166 #66E761

tetradic

#6166E7 #E761A9 #E7E261 #61E79F

square

#6166E7 #E761A9 #E7E261 #61E79F

split-complementary

#6166E7 #E79F61 #A9E761

monochromatic

#1B21B2 #2C33DF #6166E7 #9699EF #CBCDF7

Accessibility & contrast

On white

4.60

#6166E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#6166E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6166E7

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166E7	#FFFFFF	#000000	##FFFFFF
##6166E7	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BEB

Deuteranopia (green-blind)

#0070E4

Tritanopia (blue-blind)

#00849D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #6166e7;
/* rgb */ color: rgb(97, 102, 231);
/* oklch */ color: oklch(57.7% 0.191 276.9);

Tailwind

colors: {
  custom: {
    50: '#9991ef',
    500: '#6166e7',
    950: '#000000',
  },
}

SCSS

$custom: #6166e7;
$custom-light: #9991ef;
$custom-dark: #000000;

JSON

{
  "hex": "#6166e7",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 231
  },
  "hsl": {
    "h": 237.761,
    "s": 73.626,
    "l": 64.314
  },
  "oklch": {
    "l": 0.57665,
    "c": 0.19142,
    "h": 276.9
  },
  "luminance": 0.17814
}

Semantic roles & 50–950 ramp

primary

#6166E7

secondary

#E9E7BB

accent

#CE10D6

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0D17

muted

#7F7D85

Preview Lab

Preview with #6166E7

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

Preview Lab → · Contrast checker → · Palette generator →