#6166F0#6166F0

#6166F0 is a mid, highly saturated blue. Relative luminance 0.183; OKLCH L 58.3% C 0.203 H 276.5°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#6166F0
RGB	rgb(97, 102, 240)
HSL	hsl(238, 83%, 66%)
HSV	hsv(238, 60%, 94%)
CMYK	cmyk(59.6%, 57.5%, 0%, 5.9%)
CIE-LAB	lab(49.90, 38.03, -70.26)
CIE-LCH	lch(49.90, 79.90, 298.43°)
OKLab	oklab(58.33% 0.023 -0.2019)
OKLCH	oklch(58.33% 0.203 276.5)
XYZ	xyz(25.4042, 18.3335, 84.6212)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166F0 #F0EB61

analogous

#61ADF0 #6166F0 #A361F0

triadic

#6166F0 #F06166 #66F061

tetradic

#6166F0 #F061AD #F0EB61 #61F0A3

square

#6166F0 #F061AD #F0EB61 #61F0A3

split-complementary

#6166F0 #F0A361 #ADF061

monochromatic

#1319C4 #2930EB #6166F0 #999CF5 #D1D2FB

Accessibility & contrast

On white

4.50

#6166F0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#6166F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6166F0

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166F0	#FFFFFF	#000000	##000000
##6166F0	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007DF5

Deuteranopia (green-blind)

#0071ED

Tritanopia (blue-blind)

#0087A1

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #6166f0;
/* rgb */ color: rgb(97, 102, 240);
/* oklch */ color: oklch(58.3% 0.203 276.5);

Tailwind

colors: {
  custom: {
    50: '#9b91f6',
    500: '#6166f0',
    950: '#000000',
  },
}

SCSS

$custom: #6166f0;
$custom-light: #9b91f6;
$custom-dark: #000000;

JSON

{
  "hex": "#6166f0",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 240
  },
  "hsl": {
    "h": 237.902,
    "s": 82.659,
    "l": 66.078
  },
  "oklch": {
    "l": 0.58332,
    "c": 0.20319,
    "h": 276.5
  },
  "luminance": 0.18335
}

Semantic roles & 50–950 ramp

primary

#6166F0

secondary

#EEECBF

accent

#D706DF

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#0F0D17

muted

#7F7D85

Preview Lab

Preview with #6166F0

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

Preview Lab → · Contrast checker → · Palette generator →