#6166D8#6166D8

#6166D8 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.6% C 0.171 H 277.5°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#6166D8
RGB	rgb(97, 102, 216)
HSL	hsl(237, 60%, 61%)
HSV	hsv(237, 55%, 85%)
CMYK	cmyk(55.1%, 52.8%, 0%, 15.3%)
CIE-LAB	lab(48.26, 30.34, -59.38)
CIE-LCH	lch(48.26, 66.68, 297.07°)
OKLab	oklab(56.59% 0.0224 -0.1699)
OKLCH	oklch(56.59% 0.171 277.5)
XYZ	xyz(22.0719, 17.0005, 67.0708)
Luminance	0.1700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166D8 #D8D361

analogous

#61A2D8 #6166D8 #9861D8

triadic

#6166D8 #D86166 #66D861

tetradic

#6166D8 #D861A2 #D8D361 #61D898

square

#6166D8 #D861A2 #D8D361 #61D898

split-complementary

#6166D8 #D89861 #A2D861

monochromatic

#262B99 #3238CA #6166D8 #9296E4 #C3C5F0

Accessibility & contrast

On white

4.77

#6166D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#6166D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6166D8

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166D8	#FFFFFF	#000000	##FFFFFF
##6166D8	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2478DC

Deuteranopia (green-blind)

#066ED6

Tritanopia (blue-blind)

#238095

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #6166d8;
/* rgb */ color: rgb(97, 102, 216);
/* oklch */ color: oklch(56.6% 0.171 277.5);

Tailwind

colors: {
  custom: {
    50: '#9791e5',
    500: '#6166d8',
    950: '#000000',
  },
}

SCSS

$custom: #6166d8;
$custom-light: #9791e5;
$custom-dark: #000000;

JSON

{
  "hex": "#6166d8",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 216
  },
  "hsl": {
    "h": 237.479,
    "s": 60.406,
    "l": 61.373
  },
  "oklch": {
    "l": 0.56593,
    "c": 0.17134,
    "h": 277.5
  },
  "luminance": 0.17002
}

Semantic roles & 50–950 ramp

primary

#6166D8

secondary

#E1DFB4

accent

#C11DC8

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #6166D8

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

Preview Lab → · Contrast checker → · Palette generator →