#64A3BC#64A3BC

#64A3BC is a light, moderate cyan. Relative luminance 0.325; OKLCH L 68.2% C 0.075 H 225.4°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#64A3BC
RGB	rgb(100, 163, 188)
HSL	hsl(197, 40%, 56%)
HSV	hsv(197, 47%, 74%)
CMYK	cmyk(46.8%, 13.3%, 0%, 26.3%)
CIE-LAB	lab(63.78, -13.48, -19.18)
CIE-LCH	lch(63.78, 23.44, 234.91°)
OKLab	oklab(68.24% -0.0523 -0.053)
OKLCH	oklch(68.24% 0.075 225.4)
XYZ	xyz(27.4265, 32.5325, 52.4013)
Luminance	0.3253 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A3BC #BC7D64

analogous

#64BCA9 #64A3BC #6477BC

triadic

#64A3BC #BC64A3 #A3BC64

tetradic

#64A3BC #A964BC #BC7D64 #77BC64

square

#64A3BC #A964BC #BC7D64 #77BC64

split-complementary

#64A3BC #BC6477 #BCA964

monochromatic

#326174 #44859E #64A3BC #8FBCCE #B9D6E1

Accessibility & contrast

On white

2.80

#64A3BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#64A3BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A3BC

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A3BC	#FFFFFF	#000000	##000000
##64A3BC	1.00	2.80	7.51	7.51
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.51	21.00	1.00	1.00
##000000	7.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95A0BD

Deuteranopia (green-blind)

#8896BC

Tritanopia (blue-blind)

#3AABAB

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #64a3bc;
/* rgb */ color: rgb(100, 163, 188);
/* oklch */ color: oklch(68.2% 0.075 225.4);

Tailwind

colors: {
  custom: {
    50: '#95bed0',
    500: '#64a3bc',
    950: '#000000',
  },
}

SCSS

$custom: #64a3bc;
$custom-light: #95bed0;
$custom-dark: #000000;

JSON

{
  "hex": "#64a3bc",
  "rgb": {
    "r": 100,
    "g": 163,
    "b": 188
  },
  "hsl": {
    "h": 197.045,
    "s": 39.64,
    "l": 56.471
  },
  "oklch": {
    "l": 0.68236,
    "c": 0.07451,
    "h": 225.4
  },
  "luminance": 0.32535
}

Semantic roles & 50–950 ramp

primary

#64A3BC

secondary

#D0B6AC

accent

#7A58D0

background

#F9FBFC

surface

#F2F6F9

border

#CCD0D2

text

#0E1214

muted

#7E8182

Preview Lab

Preview with #64A3BC

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

Preview Lab → · Contrast checker → · Palette generator →