#64B0E9#64B0E9

#64B0E9 is a light, moderate cyan. Relative luminance 0.396; OKLCH L 73.1% C 0.112 H 242.8°. Best body text is #000000 at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#64B0E9
RGB	rgb(100, 176, 233)
HSL	hsl(206, 75%, 65%)
HSV	hsv(206, 57%, 91%)
CMYK	cmyk(57.1%, 24.5%, 0%, 8.6%)
CIE-LAB	lab(69.21, -7.27, -35.68)
CIE-LCH	lch(69.21, 36.41, 258.48°)
OKLab	oklab(73.11% -0.0514 -0.1)
OKLCH	oklch(73.11% 0.112 242.8)
XYZ	xyz(35.4834, 39.6400, 82.8564)
Luminance	0.3964 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B0E9 #E99D64

analogous

#64E9DF #64B0E9 #646EE9

triadic

#64B0E9 #E964B0 #B0E964

tetradic

#64B0E9 #DF64E9 #E99D64 #6EE964

square

#64B0E9 #DF64E9 #E99D64 #6EE964

split-complementary

#64B0E9 #E9646E #E9DF64

monochromatic

#1A75B8 #2E95E1 #64B0E9 #9ACBF1 #CFE7F8

Accessibility & contrast

On white

2.35

#64B0E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.93

#64B0E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B0E9

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B0E9	#FFFFFF	#000000	##000000
##64B0E9	1.00	2.35	8.93	8.93
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.93	21.00	1.00	1.00
##000000	8.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97B0EC

Deuteranopia (green-blind)

#85A3E8

Tritanopia (blue-blind)

#00BEC3

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #64b0e9;
/* rgb */ color: rgb(100, 176, 233);
/* oklch */ color: oklch(73.1% 0.112 242.8);

Tailwind

colors: {
  custom: {
    50: '#9ac7f0',
    500: '#64b0e9',
    950: '#000000',
  },
}

SCSS

$custom: #64b0e9;
$custom-light: #9ac7f0;
$custom-dark: #000000;

JSON

{
  "hex": "#64b0e9",
  "rgb": {
    "r": 100,
    "g": 176,
    "b": 233
  },
  "hsl": {
    "h": 205.714,
    "s": 75.141,
    "l": 65.294
  },
  "oklch": {
    "l": 0.73111,
    "c": 0.11244,
    "h": 242.8
  },
  "luminance": 0.39643
}

Semantic roles & 50–950 ramp

primary

#64B0E9

secondary

#EBD1BE

accent

#640ED7

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1316

muted

#7F8284

Preview Lab

Preview with #64B0E9

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

Preview Lab → · Contrast checker → · Palette generator →