#6166CA#6166CA

#6166CA is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.6% C 0.152 H 278.1°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#6166CA
RGB	rgb(97, 102, 202)
HSL	hsl(237, 50%, 59%)
HSV	hsv(237, 52%, 79%)
CMYK	cmyk(52%, 49.5%, 0%, 20.8%)
CIE-LAB	lab(47.38, 25.90, -52.80)
CIE-LCH	lch(47.38, 58.81, 296.12°)
OKLab	oklab(55.64% 0.0214 -0.1505)
OKLCH	oklch(55.64% 0.152 278.1)
XYZ	xyz(20.3385, 16.3072, 57.9415)
Luminance	0.1631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166CA #CAC561

analogous

#619ACA #6166CA #9061CA

triadic

#6166CA #CA6166 #66CA61

tetradic

#6166CA #CA619A #CAC561 #61CA90

square

#6166CA #CA619A #CAC561 #61CA90

split-complementary

#6166CA #CA9061 #9ACA61

monochromatic

#2C3184 #3C41B2 #6166CA #8F92D9 #BDBFE9

Accessibility & contrast

On white

4.93

#6166CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#6166CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6166CA

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166CA	#FFFFFF	#000000	##FFFFFF
##6166CA	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3675CE

Deuteranopia (green-blind)

#2A6CC8

Tritanopia (blue-blind)

#347C8E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #6166ca;
/* rgb */ color: rgb(97, 102, 202);
/* oklch */ color: oklch(55.6% 0.152 278.1);

Tailwind

colors: {
  custom: {
    50: '#9591db',
    500: '#6166ca',
    950: '#000000',
  },
}

SCSS

$custom: #6166ca;
$custom-light: #9591db;
$custom-dark: #000000;

JSON

{
  "hex": "#6166ca",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 202
  },
  "hsl": {
    "h": 237.143,
    "s": 49.763,
    "l": 58.627
  },
  "oklch": {
    "l": 0.55643,
    "c": 0.15204,
    "h": 278.1
  },
  "luminance": 0.16308
}

Semantic roles & 50–950 ramp

primary

#6166CA

secondary

#D8D6AF

accent

#D34FD9

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #6166CA

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

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