#64B2E3#64B2E3

#64B2E3 is a light, moderate cyan. Relative luminance 0.401; OKLCH L 73.3% C 0.105 H 238.1°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#64B2E3
RGB	rgb(100, 178, 227)
HSL	hsl(203, 69%, 64%)
HSV	hsv(203, 56%, 89%)
CMYK	cmyk(55.9%, 21.6%, 0%, 11%)
CIE-LAB	lab(69.54, -10.18, -31.90)
CIE-LCH	lch(69.54, 33.48, 252.29°)
OKLab	oklab(73.29% -0.0556 -0.0891)
OKLCH	oklch(73.29% 0.105 238.1)
XYZ	xyz(35.0359, 40.0930, 78.5505)
Luminance	0.4010 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B2E3 #E39564

analogous

#64E3D5 #64B2E3 #6473E3

triadic

#64B2E3 #E364B2 #B2E364

tetradic

#64B2E3 #D564E3 #E39564 #73E364

square

#64B2E3 #D564E3 #E39564 #73E364

split-complementary

#64B2E3 #E36473 #E3D564

monochromatic

#1F77AD #3098DA #64B2E3 #98CCEC #CCE6F6

Accessibility & contrast

On white

2.33

#64B2E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#64B2E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B2E3

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B2E3	#FFFFFF	#000000	##000000
##64B2E3	1.00	2.33	9.02	9.02
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.02	21.00	1.00	1.00
##000000	9.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB1E5

Deuteranopia (green-blind)

#8AA4E2

Tritanopia (blue-blind)

#00BEC2

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #64b2e3;
/* rgb */ color: rgb(100, 178, 227);
/* oklch */ color: oklch(73.3% 0.105 238.1);

Tailwind

colors: {
  custom: {
    50: '#99c9ec',
    500: '#64b2e3',
    950: '#000000',
  },
}

SCSS

$custom: #64b2e3;
$custom-light: #99c9ec;
$custom-dark: #000000;

JSON

{
  "hex": "#64b2e3",
  "rgb": {
    "r": 100,
    "g": 178,
    "b": 227
  },
  "hsl": {
    "h": 203.15,
    "s": 69.399,
    "l": 64.118
  },
  "oklch": {
    "l": 0.73288,
    "c": 0.10504,
    "h": 238.1
  },
  "luminance": 0.40096
}

Semantic roles & 50–950 ramp

primary

#64B2E3

secondary

#E8CCBB

accent

#5D14D1

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #64B2E3

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

Preview Lab → · Contrast checker → · Palette generator →