#64B7CB#64B7CB

#64B7CB is a light, moderate cyan. Relative luminance 0.409; OKLCH L 73.4% C 0.086 H 215.3°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#64B7CB
RGB	rgb(100, 183, 203)
HSL	hsl(192, 50%, 59%)
HSV	hsv(192, 51%, 80%)
CMYK	cmyk(50.7%, 9.9%, 0%, 20.4%)
CIE-LAB	lab(70.10, -19.81, -17.90)
CIE-LCH	lch(70.10, 26.70, 222.11°)
OKLab	oklab(73.45% -0.0699 -0.0495)
OKLCH	oklch(73.45% 0.086 215.3)
XYZ	xyz(32.9644, 40.8853, 62.6428)
Luminance	0.4089 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B7CB #CB7864

analogous

#64CBAB #64B7CB #6484CB

triadic

#64B7CB #CB64B7 #B7CB64

tetradic

#64B7CB #AB64CB #CB7864 #84CB64

square

#64B7CB #AB64CB #CB7864 #84CB64

split-complementary

#64B7CB #CB6484 #CBAB64

monochromatic

#2D7687 #3D9EB5 #64B7CB #92CCDA #C0E2EA

Accessibility & contrast

On white

2.29

#64B7CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.18

#64B7CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B7CB

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B7CB	#FFFFFF	#000000	##000000
##64B7CB	1.00	2.29	9.18	9.18
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.18	21.00	1.00	1.00
##000000	9.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B2CC

Deuteranopia (green-blind)

#99A6CB

Tritanopia (blue-blind)

#23BFBD

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #64b7cb;
/* rgb */ color: rgb(100, 183, 203);
/* oklch */ color: oklch(73.4% 0.086 215.3);

Tailwind

colors: {
  custom: {
    50: '#97ccda',
    500: '#64b7cb',
    950: '#000000',
  },
}

SCSS

$custom: #64b7cb;
$custom-light: #97ccda;
$custom-dark: #000000;

JSON

{
  "hex": "#64b7cb",
  "rgb": {
    "r": 100,
    "g": 183,
    "b": 203
  },
  "hsl": {
    "h": 191.65,
    "s": 49.758,
    "l": 59.412
  },
  "oklch": {
    "l": 0.73445,
    "c": 0.08567,
    "h": 215.3
  },
  "luminance": 0.40888
}

Semantic roles & 50–950 ramp

primary

#64B7CB

secondary

#D9B9B1

accent

#694FD9

background

#F9FCFD

surface

#F2F9FA

border

#CCD2D3

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #64B7CB

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

Preview Lab → · Contrast checker → · Palette generator →