#64B8ED#64B8ED

#64B8ED is a light, moderate cyan. Relative luminance 0.431; OKLCH L 75.1% C 0.112 H 238.4°. Best body text is #000000 at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#64B8ED
RGB	rgb(100, 184, 237)
HSL	hsl(203, 79%, 66%)
HSV	hsv(203, 58%, 93%)
CMYK	cmyk(57.8%, 22.4%, 0%, 7.1%)
CIE-LAB	lab(71.62, -10.39, -34.11)
CIE-LCH	lch(71.62, 35.66, 253.05°)
OKLab	oklab(75.07% -0.0587 -0.0955)
OKLCH	oklch(75.07% 0.112 238.4)
XYZ	xyz(37.6764, 43.1013, 86.4382)
Luminance	0.4310 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B8ED #ED9964

analogous

#64EDDE #64B8ED #6473ED

triadic

#64B8ED #ED64B8 #B8ED64

tetradic

#64B8ED #DE64ED #ED9964 #73ED64

square

#64B8ED #DE64ED #ED9964 #73ED64

split-complementary

#64B8ED #ED6473 #EDDE64

monochromatic

#167FC0 #2D9FE7 #64B8ED #9BD1F3 #D2EAFA

Accessibility & contrast

On white

2.18

#64B8ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.62

#64B8ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B8ED

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B8ED	#FFFFFF	#000000	##000000
##64B8ED	1.00	2.18	9.62	9.62
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.62	21.00	1.00	1.00
##000000	9.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B7F0

Deuteranopia (green-blind)

#8DA9EC

Tritanopia (blue-blind)

#00C5CA

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #64b8ed;
/* rgb */ color: rgb(100, 184, 237);
/* oklch */ color: oklch(75.1% 0.112 238.4);

Tailwind

colors: {
  custom: {
    50: '#9acdf3',
    500: '#64b8ed',
    950: '#000000',
  },
}

SCSS

$custom: #64b8ed;
$custom-light: #9acdf3;
$custom-dark: #000000;

JSON

{
  "hex": "#64b8ed",
  "rgb": {
    "r": 100,
    "g": 184,
    "b": 237
  },
  "hsl": {
    "h": 203.212,
    "s": 79.191,
    "l": 66.078
  },
  "oklch": {
    "l": 0.75073,
    "c": 0.11208,
    "h": 238.4
  },
  "luminance": 0.43105
}

Semantic roles & 50–950 ramp

primary

#64B8ED

secondary

#EDD1C0

accent

#5B0ADB

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B8ED

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

Preview Lab → · Contrast checker → · Palette generator →