#6166CD#6166CD

#6166CD is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.8% C 0.156 H 278.0°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#6166CD
RGB	rgb(97, 102, 205)
HSL	hsl(237, 52%, 59%)
HSV	hsv(237, 53%, 80%)
CMYK	cmyk(52.7%, 50.2%, 0%, 19.6%)
CIE-LAB	lab(47.56, 26.84, -54.23)
CIE-LCH	lch(47.56, 60.51, 296.34°)
OKLab	oklab(55.84% 0.0217 -0.1547)
OKLCH	oklch(55.84% 0.156 278)
XYZ	xyz(20.6971, 16.4506, 59.8304)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166CD #CDC861

analogous

#619CCD #6166CD #9261CD

triadic

#6166CD #CD6166 #66CD61

tetradic

#6166CD #CD619C #CDC861 #61CD92

square

#6166CD #CD619C #CDC861 #61CD92

split-complementary

#6166CD #CD9261 #9CCD61

monochromatic

#2B2F88 #3A40B7 #6166CD #8F93DC #BEC0EA

Accessibility & contrast

On white

4.89

#6166CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#6166CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6166CD

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166CD	#FFFFFF	#000000	##FFFFFF
##6166CD	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3375D1

Deuteranopia (green-blind)

#266DCB

Tritanopia (blue-blind)

#317D90

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #6166cd;
/* rgb */ color: rgb(97, 102, 205);
/* oklch */ color: oklch(55.8% 0.156 278.0);

Tailwind

colors: {
  custom: {
    50: '#9591dd',
    500: '#6166cd',
    950: '#000000',
  },
}

SCSS

$custom: #6166cd;
$custom-light: #9591dd;
$custom-dark: #000000;

JSON

{
  "hex": "#6166cd",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 205
  },
  "hsl": {
    "h": 237.222,
    "s": 51.923,
    "l": 59.216
  },
  "oklch": {
    "l": 0.55842,
    "c": 0.15622,
    "h": 278
  },
  "luminance": 0.16452
}

Semantic roles & 50–950 ramp

primary

#6166CD

secondary

#DAD8B0

accent

#D54CDB

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #6166CD

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

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