#64B2EB#64B2EB

#64B2EB is a light, moderate cyan. Relative luminance 0.405; OKLCH L 73.6% C 0.113 H 242.2°. Best body text is #000000 at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#64B2EB
RGB	rgb(100, 178, 235)
HSL	hsl(205, 77%, 66%)
HSV	hsv(205, 57%, 92%)
CMYK	cmyk(57.4%, 24.3%, 0%, 7.8%)
CIE-LAB	lab(69.86, -7.75, -35.77)
CIE-LCH	lch(69.86, 36.60, 257.77°)
OKLab	oklab(73.65% -0.0529 -0.1003)
OKLCH	oklch(73.65% 0.113 242.2)
XYZ	xyz(36.1658, 40.5450, 84.5012)
Luminance	0.4055 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B2EB #EB9D64

analogous

#64EBE0 #64B2EB #646EEB

triadic

#64B2EB #EB64B2 #B2EB64

tetradic

#64B2EB #E064EB #EB9D64 #6EEB64

square

#64B2EB #E064EB #EB9D64 #6EEB64

split-complementary

#64B2EB #EB646E #EBE064

monochromatic

#1877BC #2E97E4 #64B2EB #9ACDF2 #D0E8F9

Accessibility & contrast

On white

2.31

#64B2EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.11

#64B2EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B2EB

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B2EB	#FFFFFF	#000000	##000000
##64B2EB	1.00	2.31	9.11	9.11
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.11	21.00	1.00	1.00
##000000	9.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B2EE

Deuteranopia (green-blind)

#87A5EA

Tritanopia (blue-blind)

#00C0C5

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #64b2eb;
/* rgb */ color: rgb(100, 178, 235);
/* oklch */ color: oklch(73.6% 0.113 242.2);

Tailwind

colors: {
  custom: {
    50: '#9ac8f1',
    500: '#64b2eb',
    950: '#000000',
  },
}

SCSS

$custom: #64b2eb;
$custom-light: #9ac8f1;
$custom-dark: #000000;

JSON

{
  "hex": "#64b2eb",
  "rgb": {
    "r": 100,
    "g": 178,
    "b": 235
  },
  "hsl": {
    "h": 205.333,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.73647,
    "c": 0.11337,
    "h": 242.2
  },
  "luminance": 0.40548
}

Semantic roles & 50–950 ramp

primary

#64B2EB

secondary

#ECD2BF

accent

#630CD9

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B2EB

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

Preview Lab → · Contrast checker → · Palette generator →