#64B3EE#64B3EE

#64B3EE is a light, moderate cyan. Relative luminance 0.411; OKLCH L 74.0% C 0.116 H 242.8°. Best body text is #000000 at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#64B3EE
RGB	rgb(100, 179, 238)
HSL	hsl(206, 80%, 66%)
HSV	hsv(206, 58%, 93%)
CMYK	cmyk(58%, 24.8%, 0%, 6.7%)
CIE-LAB	lab(70.26, -7.38, -36.77)
CIE-LCH	lch(70.26, 37.50, 258.66°)
OKLab	oklab(74.01% -0.053 -0.1031)
OKLCH	oklch(74.01% 0.116 242.8)
XYZ	xyz(36.8025, 41.1192, 86.8697)
Luminance	0.4112 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B3EE #EE9F64

analogous

#64EEE4 #64B3EE #646EEE

triadic

#64B3EE #EE64B3 #B3EE64

tetradic

#64B3EE #E464EE #EE9F64 #6EEE64

square

#64B3EE #E464EE #EE9F64 #6EEE64

split-complementary

#64B3EE #EE646E #EEE464

monochromatic

#1578C2 #2D98E8 #64B3EE #9BCEF4 #D2E9FA

Accessibility & contrast

On white

2.28

#64B3EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.22

#64B3EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B3EE

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B3EE	#FFFFFF	#000000	##000000
##64B3EE	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)

#99B4F1

Deuteranopia (green-blind)

#86A6ED

Tritanopia (blue-blind)

#00C1C7

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #64b3ee;
/* rgb */ color: rgb(100, 179, 238);
/* oklch */ color: oklch(74.0% 0.116 242.8);

Tailwind

colors: {
  custom: {
    50: '#9ac9f3',
    500: '#64b3ee',
    950: '#000000',
  },
}

SCSS

$custom: #64b3ee;
$custom-light: #9ac9f3;
$custom-dark: #000000;

JSON

{
  "hex": "#64b3ee",
  "rgb": {
    "r": 100,
    "g": 179,
    "b": 238
  },
  "hsl": {
    "h": 205.652,
    "s": 80.233,
    "l": 66.275
  },
  "oklch": {
    "l": 0.74006,
    "c": 0.11598,
    "h": 242.8
  },
  "luminance": 0.41123
}

Semantic roles & 50–950 ramp

primary

#64B3EE

secondary

#EDD4C0

accent

#6309DD

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B3EE

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

Preview Lab → · Contrast checker → · Palette generator →