#647FA4#647FA4

#647FA4 is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 59.0% C 0.065 H 256.4°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#647FA4
RGB	rgb(100, 127, 164)
HSL	hsl(215, 26%, 52%)
HSV	hsv(215, 39%, 64%)
CMYK	cmyk(39%, 22.6%, 0%, 35.7%)
CIE-LAB	lab(52.47, -0.03, -22.82)
CIE-LCH	lch(52.47, 22.82, 269.94°)
OKLab	oklab(59% -0.0153 -0.0633)
OKLCH	oklch(59% 0.065 256.4)
XYZ	xyz(19.5436, 20.5674, 38.0549)
Luminance	0.2057 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FA4 #A48964

analogous

#649FA4 #647FA4 #6964A4

triadic

#647FA4 #A4647F #7FA464

tetradic

#647FA4 #A4649F #A48964 #64A469

square

#647FA4 #A4649F #A48964 #64A469

split-complementary

#647FA4 #A46964 #9FA464

monochromatic

#344459 #4B6180 #647FA4 #8B9FBB #B1BFD1

Accessibility & contrast

On white

4.11

#647FA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#647FA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FA4

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FA4	#FFFFFF	#000000	##000000
##647FA4	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7281A6

Deuteranopia (green-blind)

#6A7AA3

Tritanopia (blue-blind)

#4F878B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #647fa4;
/* rgb */ color: rgb(100, 127, 164);
/* oklch */ color: oklch(59.0% 0.065 256.4);

Tailwind

colors: {
  custom: {
    50: '#92a4bf',
    500: '#647fa4',
    950: '#000000',
  },
}

SCSS

$custom: #647fa4;
$custom-light: #92a4bf;
$custom-dark: #000000;

JSON

{
  "hex": "#647fa4",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 164
  },
  "hsl": {
    "h": 214.688,
    "s": 26.016,
    "l": 51.765
  },
  "oklch": {
    "l": 0.59,
    "c": 0.06509,
    "h": 256.4
  },
  "luminance": 0.20568
}

Semantic roles & 50–950 ramp

primary

#647FA4

secondary

#C0B4A4

accent

#9B65C2

background

#F9FAFB

surface

#F1F3F7

border

#CBCDD0

text

#0D0F12

muted

#7E7F81

Preview Lab

Preview with #647FA4

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

Preview Lab → · Contrast checker → · Palette generator →