#647E9A#647E9A

#647E9A is a mid, muted cyan. Relative luminance 0.200; OKLCH L 58.3% C 0.053 H 250.6°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#647E9A
RGB	rgb(100, 126, 154)
HSL	hsl(211, 21%, 50%)
HSV	hsv(211, 35%, 60%)
CMYK	cmyk(35.1%, 18.2%, 0%, 39.6%)
CIE-LAB	lab(51.80, -2.21, -18.05)
CIE-LCH	lch(51.80, 18.19, 263.02°)
OKLab	oklab(58.34% -0.0175 -0.0497)
OKLCH	oklch(58.34% 0.053 250.6)
XYZ	xyz(18.5473, 19.9633, 33.4416)
Luminance	0.1996 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647E9A #9A8064

analogous

#64999A #647E9A #65649A

triadic

#647E9A #9A647E #7E9A64

tetradic

#647E9A #9A6499 #9A8064 #649A65

square

#647E9A #9A6499 #9A8064 #649A65

split-complementary

#647E9A #9A6564 #999A64

monochromatic

#344150 #4C6075 #647E9A #899DB2 #AEBCCA

Accessibility & contrast

On white

4.21

#647E9A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#647E9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647E9A

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647E9A	#FFFFFF	#000000	##000000
##647E9A	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737F9B

Deuteranopia (green-blind)

#6D7999

Tritanopia (blue-blind)

#538487

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #647e9a;
/* rgb */ color: rgb(100, 126, 154);
/* oklch */ color: oklch(58.3% 0.053 250.6);

Tailwind

colors: {
  custom: {
    50: '#92a3b7',
    500: '#647e9a',
    950: '#000000',
  },
}

SCSS

$custom: #647e9a;
$custom-light: #92a3b7;
$custom-dark: #000000;

JSON

{
  "hex": "#647e9a",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 154
  },
  "hsl": {
    "h": 211.111,
    "s": 21.26,
    "l": 49.804
  },
  "oklch": {
    "l": 0.58339,
    "c": 0.05273,
    "h": 250.6
  },
  "luminance": 0.19964
}

Semantic roles & 50–950 ramp

primary

#647E9A

secondary

#B9ADA1

accent

#956ABE

background

#F9FAFB

surface

#F1F3F6

border

#CBCDD0

text

#0D0F11

muted

#7E7F80

Preview Lab

Preview with #647E9A

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

Preview Lab → · Contrast checker → · Palette generator →