#64B4E7#64B4E7

#64B4E7 is a light, moderate cyan. Relative luminance 0.411; OKLCH L 73.9% C 0.108 H 238.5°. Best body text is #000000 at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#64B4E7
RGB	rgb(100, 180, 231)
HSL	hsl(203, 73%, 65%)
HSV	hsv(203, 57%, 91%)
CMYK	cmyk(56.7%, 22.1%, 0%, 9.4%)
CIE-LAB	lab(70.26, -10.06, -32.96)
CIE-LCH	lch(70.26, 34.46, 253.03°)
OKLab	oklab(73.91% -0.0564 -0.0922)
OKLCH	oklch(73.91% 0.108 238.5)
XYZ	xyz(35.9952, 41.1181, 81.6255)
Luminance	0.4112 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B4E7 #E79764

analogous

#64E7D9 #64B4E7 #6472E7

triadic

#64B4E7 #E764B4 #B4E764

tetradic

#64B4E7 #D964E7 #E79764 #72E764

square

#64B4E7 #D964E7 #E79764 #72E764

split-complementary

#64B4E7 #E76472 #E7D964

monochromatic

#1C79B5 #2F9ADF #64B4E7 #99CEEF #CEE7F7

Accessibility & contrast

On white

2.28

#64B4E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.22

#64B4E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B4E7

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B4E7	#FFFFFF	#000000	##000000
##64B4E7	1.00	2.28	9.22	9.22
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.22	21.00	1.00	1.00
##000000	9.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB3E9

Deuteranopia (green-blind)

#8BA6E6

Tritanopia (blue-blind)

#00C1C5

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #64b4e7;
/* rgb */ color: rgb(100, 180, 231);
/* oklch */ color: oklch(73.9% 0.108 238.5);

Tailwind

colors: {
  custom: {
    50: '#9acaee',
    500: '#64b4e7',
    950: '#000000',
  },
}

SCSS

$custom: #64b4e7;
$custom-light: #9acaee;
$custom-dark: #000000;

JSON

{
  "hex": "#64b4e7",
  "rgb": {
    "r": 100,
    "g": 180,
    "b": 231
  },
  "hsl": {
    "h": 203.359,
    "s": 73.184,
    "l": 64.902
  },
  "oklch": {
    "l": 0.73912,
    "c": 0.10807,
    "h": 238.5
  },
  "luminance": 0.41121
}

Semantic roles & 50–950 ramp

primary

#64B4E7

secondary

#EACEBD

accent

#5D10D5

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1316

muted

#7F8284

Preview Lab

Preview with #64B4E7

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

Preview Lab → · Contrast checker → · Palette generator →