#6166E1#6166E1

#6166E1 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 57.2% C 0.183 H 277.1°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#6166E1
RGB	rgb(97, 102, 225)
HSL	hsl(238, 68%, 63%)
HSV	hsv(238, 57%, 88%)
CMYK	cmyk(56.9%, 54.7%, 0%, 11.8%)
CIE-LAB	lab(48.86, 33.22, -63.52)
CIE-LCH	lch(48.86, 71.68, 297.61°)
OKLab	oklab(57.23% 0.0228 -0.182)
OKLCH	oklch(57.23% 0.183 277.1)
XYZ	xyz(23.2674, 17.4787, 73.3672)
Luminance	0.1748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166E1 #E1DC61

analogous

#61A6E1 #6166E1 #9C61E1

triadic

#6166E1 #E16166 #66E161

tetradic

#6166E1 #E161A6 #E1DC61 #61E19C

square

#6166E1 #E161A6 #E1DC61 #61E19C

split-complementary

#6166E1 #E19C61 #A6E161

monochromatic

#2025A8 #2E34D7 #6166E1 #9498EB #C8CAF5

Accessibility & contrast

On white

4.67

#6166E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#6166E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6166E1

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166E1	#FFFFFF	#000000	##FFFFFF
##6166E1	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C79E5

Deuteranopia (green-blind)

#006FDE

Tritanopia (blue-blind)

#10839A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #6166e1;
/* rgb */ color: rgb(97, 102, 225);
/* oklch */ color: oklch(57.2% 0.183 277.1);

Tailwind

colors: {
  custom: {
    50: '#9891eb',
    500: '#6166e1',
    950: '#000000',
  },
}

SCSS

$custom: #6166e1;
$custom-light: #9891eb;
$custom-dark: #000000;

JSON

{
  "hex": "#6166e1",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 225
  },
  "hsl": {
    "h": 237.656,
    "s": 68.085,
    "l": 63.137
  },
  "oklch": {
    "l": 0.57229,
    "c": 0.18346,
    "h": 277.1
  },
  "luminance": 0.1748
}

Semantic roles & 50–950 ramp

primary

#6166E1

secondary

#E6E4B8

accent

#C915D0

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0C16

muted

#7E7D84

Preview Lab

Preview with #6166E1

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

Preview Lab → · Contrast checker → · Palette generator →