#647A86#647A86

#647A86 is a mid, muted cyan. Relative luminance 0.183; OKLCH L 56.6% C 0.032 H 231.9°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#647A86
RGB	rgb(100, 122, 134)
HSL	hsl(201, 15%, 46%)
HSV	hsv(201, 25%, 53%)
CMYK	cmyk(25.4%, 9%, 0%, 47.5%)
CIE-LAB	lab(49.92, -5.11, -9.18)
CIE-LCH	lch(49.92, 10.50, 240.92°)
OKLab	oklab(56.62% -0.0196 -0.025)
OKLCH	oklch(56.62% 0.032 231.9)
XYZ	xyz(16.5169, 18.3490, 25.2211)
Luminance	0.1835 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647A86 #867064

analogous

#648681 #647A86 #646986

triadic

#647A86 #86647A #7A8664

tetradic

#647A86 #816486 #867064 #698664

square

#647A86 #816486 #867064 #698664

split-complementary

#647A86 #866469 #868164

monochromatic

#303A40 #4A5A63 #647A86 #8498A3 #A7B5BD

Accessibility & contrast

On white

4.50

#647A86 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#647A86 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647A86

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647A86	#FFFFFF	#000000	##000000
##647A86	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)

#747987

Deuteranopia (green-blind)

#6F7586

Tritanopia (blue-blind)

#5A7D7E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #647a86;
/* rgb */ color: rgb(100, 122, 134);
/* oklch */ color: oklch(56.6% 0.032 231.9);

Tailwind

colors: {
  custom: {
    50: '#91a0a9',
    500: '#647a86',
    950: '#000000',
  },
}

SCSS

$custom: #647a86;
$custom-light: #91a0a9;
$custom-dark: #000000;

JSON

{
  "hex": "#647a86",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 134
  },
  "hsl": {
    "h": 201.176,
    "s": 14.53,
    "l": 45.882
  },
  "oklch": {
    "l": 0.56623,
    "c": 0.03175,
    "h": 231.9
  },
  "luminance": 0.1835
}

Semantic roles & 50–950 ramp

primary

#647A86

secondary

#ACA09A

accent

#8970B7

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0C0E0F

muted

#7D7E7F

Preview Lab

Preview with #647A86

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

Preview Lab → · Contrast checker → · Palette generator →