#64B4E3#64B4E3

#64B4E3 is a light, moderate cyan. Relative luminance 0.409; OKLCH L 73.7% C 0.104 H 236.3°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#64B4E3
RGB	rgb(100, 180, 227)
HSL	hsl(202, 69%, 64%)
HSV	hsv(202, 56%, 89%)
CMYK	cmyk(55.9%, 20.7%, 0%, 11%)
CIE-LAB	lab(70.10, -11.26, -31.02)
CIE-LCH	lch(70.10, 33.01, 250.05°)
OKLab	oklab(73.74% -0.0577 -0.0866)
OKLCH	oklch(73.74% 0.104 236.3)
XYZ	xyz(35.4367, 40.8947, 78.6842)
Luminance	0.4090 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B4E3 #E39364

analogous

#64E3D3 #64B4E3 #6475E3

triadic

#64B4E3 #E364B4 #B4E364

tetradic

#64B4E3 #D364E3 #E39364 #75E364

square

#64B4E3 #D364E3 #E39364 #75E364

split-complementary

#64B4E3 #E36475 #E3D364

monochromatic

#1F79AD #309BDA #64B4E3 #98CDEC #CCE6F6

Accessibility & contrast

On white

2.29

#64B4E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.18

#64B4E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B4E3

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B4E3	#FFFFFF	#000000	##000000
##64B4E3	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)

#9EB3E5

Deuteranopia (green-blind)

#8DA6E2

Tritanopia (blue-blind)

#00C0C4

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #64b4e3;
/* rgb */ color: rgb(100, 180, 227);
/* oklch */ color: oklch(73.7% 0.104 236.3);

Tailwind

colors: {
  custom: {
    50: '#99caec',
    500: '#64b4e3',
    950: '#000000',
  },
}

SCSS

$custom: #64b4e3;
$custom-light: #99caec;
$custom-dark: #000000;

JSON

{
  "hex": "#64b4e3",
  "rgb": {
    "r": 100,
    "g": 180,
    "b": 227
  },
  "hsl": {
    "h": 202.205,
    "s": 69.399,
    "l": 64.118
  },
  "oklch": {
    "l": 0.73737,
    "c": 0.10411,
    "h": 236.3
  },
  "luminance": 0.40898
}

Semantic roles & 50–950 ramp

primary

#64B4E3

secondary

#E8CCBB

accent

#5A14D1

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #64B4E3

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

Preview Lab → · Contrast checker → · Palette generator →