#64B1F0#64B1F0

#64B1F0 is a light, moderate cyan. Relative luminance 0.404; OKLCH L 73.7% C 0.120 H 245.1°. Best body text is #000000 at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#64B1F0
RGB	rgb(100, 177, 240)
HSL	hsl(207, 82%, 67%)
HSV	hsv(207, 58%, 94%)
CMYK	cmyk(58.3%, 26.3%, 0%, 5.9%)
CIE-LAB	lab(69.78, -5.66, -38.60)
CIE-LCH	lch(69.78, 39.01, 261.66°)
OKLab	oklab(73.66% -0.0503 -0.1084)
OKLCH	oklch(73.66% 0.12 245.1)
XYZ	xyz(36.7001, 40.4415, 88.2931)
Luminance	0.4044 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B1F0 #F0A364

analogous

#64F0E9 #64B1F0 #646BF0

triadic

#64B1F0 #F064B1 #B1F064

tetradic

#64B1F0 #E964F0 #F0A364 #6BF064

square

#64B1F0 #E964F0 #F0A364 #6BF064

split-complementary

#64B1F0 #F0646B #F0E964

monochromatic

#1376C6 #2C95EB #64B1F0 #9CCDF5 #D4E9FB

Accessibility & contrast

On white

2.31

#64B1F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.09

#64B1F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B1F0

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B1F0	#FFFFFF	#000000	##000000
##64B1F0	1.00	2.31	9.09	9.09
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.09	21.00	1.00	1.00
##000000	9.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96B2F3

Deuteranopia (green-blind)

#83A4EF

Tritanopia (blue-blind)

#00C0C7

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #64b1f0;
/* rgb */ color: rgb(100, 177, 240);
/* oklch */ color: oklch(73.7% 0.120 245.1);

Tailwind

colors: {
  custom: {
    50: '#9ac8f5',
    500: '#64b1f0',
    950: '#000000',
  },
}

SCSS

$custom: #64b1f0;
$custom-light: #9ac8f5;
$custom-dark: #000000;

JSON

{
  "hex": "#64b1f0",
  "rgb": {
    "r": 100,
    "g": 177,
    "b": 240
  },
  "hsl": {
    "h": 207,
    "s": 82.353,
    "l": 66.667
  },
  "oklch": {
    "l": 0.73657,
    "c": 0.11952,
    "h": 245.1
  },
  "luminance": 0.40445
}

Semantic roles & 50–950 ramp

primary

#64B1F0

secondary

#EED6C1

accent

#6807DF

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B1F0

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

Preview Lab → · Contrast checker → · Palette generator →