#64B2CB#64B2CB

#64B2CB is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.3% C 0.085 H 220.9°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#64B2CB
RGB	rgb(100, 178, 203)
HSL	hsl(195, 50%, 59%)
HSV	hsv(195, 51%, 80%)
CMYK	cmyk(50.7%, 12.3%, 0%, 20.4%)
CIE-LAB	lab(68.65, -17.21, -20.10)
CIE-LCH	lch(68.65, 26.46, 229.43°)
OKLab	oklab(72.29% -0.0642 -0.0556)
OKLCH	oklch(72.29% 0.085 220.9)
XYZ	xyz(31.9513, 38.8592, 62.3052)
Luminance	0.3886 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B2CB #CB7D64

analogous

#64CBB1 #64B2CB #647FCB

triadic

#64B2CB #CB64B2 #B2CB64

tetradic

#64B2CB #B164CB #CB7D64 #7FCB64

square

#64B2CB #B164CB #CB7D64 #7FCB64

split-complementary

#64B2CB #CB647F #CBB164

monochromatic

#2D7187 #3D98B5 #64B2CB #92C9DA #C0E0EA

Accessibility & contrast

On white

2.39

#64B2CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.77

#64B2CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B2CB

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B2CB	#FFFFFF	#000000	##000000
##64B2CB	1.00	2.39	8.77	8.77
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.77	21.00	1.00	1.00
##000000	8.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AECC

Deuteranopia (green-blind)

#93A2CB

Tritanopia (blue-blind)

#26BABA

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #64b2cb;
/* rgb */ color: rgb(100, 178, 203);
/* oklch */ color: oklch(72.3% 0.085 220.9);

Tailwind

colors: {
  custom: {
    50: '#97c9da',
    500: '#64b2cb',
    950: '#000000',
  },
}

SCSS

$custom: #64b2cb;
$custom-light: #97c9da;
$custom-dark: #000000;

JSON

{
  "hex": "#64b2cb",
  "rgb": {
    "r": 100,
    "g": 178,
    "b": 203
  },
  "hsl": {
    "h": 194.563,
    "s": 49.758,
    "l": 59.412
  },
  "oklch": {
    "l": 0.72289,
    "c": 0.08496,
    "h": 220.9
  },
  "luminance": 0.38862
}

Semantic roles & 50–950 ramp

primary

#64B2CB

secondary

#D9BBB1

accent

#704FD9

background

#F9FCFD

surface

#F2F8FA

border

#CCD1D3

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #64B2CB

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

Preview Lab → · Contrast checker → · Palette generator →