#64A5E9#64A5E9

#64A5E9 is a light, vivid cyan. Relative luminance 0.355; OKLCH L 70.7% C 0.121 H 250.9°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#64A5E9
RGB	rgb(100, 165, 233)
HSL	hsl(211, 75%, 65%)
HSV	hsv(211, 57%, 91%)
CMYK	cmyk(57.1%, 29.2%, 0%, 8.6%)
CIE-LAB	lab(66.14, -1.15, -40.47)
CIE-LCH	lch(66.14, 40.49, 268.37°)
OKLab	oklab(70.69% -0.0395 -0.1139)
OKLCH	oklch(70.69% 0.121 250.9)
XYZ	xyz(33.4134, 35.4999, 82.1663)
Luminance	0.3550 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A5E9 #E9A864

analogous

#64E7E9 #64A5E9 #6664E9

triadic

#64A5E9 #E964A5 #A5E964

tetradic

#64A5E9 #E964E7 #E9A864 #64E966

square

#64A5E9 #E964E7 #E9A864 #64E966

split-complementary

#64A5E9 #E96664 #E7E964

monochromatic

#1A68B8 #2E86E1 #64A5E9 #9AC4F1 #CFE3F8

Accessibility & contrast

On white

2.59

#64A5E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.10

#64A5E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A5E9

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A5E9	#FFFFFF	#000000	##000000
##64A5E9	1.00	2.59	8.10	8.10
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.10	21.00	1.00	1.00
##000000	8.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89A8EC

Deuteranopia (green-blind)

#779BE8

Tritanopia (blue-blind)

#00B5BD

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #64a5e9;
/* rgb */ color: rgb(100, 165, 233);
/* oklch */ color: oklch(70.7% 0.121 250.9);

Tailwind

colors: {
  custom: {
    50: '#99bff0',
    500: '#64a5e9',
    950: '#000000',
  },
}

SCSS

$custom: #64a5e9;
$custom-light: #99bff0;
$custom-dark: #000000;

JSON

{
  "hex": "#64a5e9",
  "rgb": {
    "r": 100,
    "g": 165,
    "b": 233
  },
  "hsl": {
    "h": 210.677,
    "s": 75.141,
    "l": 65.294
  },
  "oklch": {
    "l": 0.70687,
    "c": 0.12057,
    "h": 250.9
  },
  "luminance": 0.35503
}

Semantic roles & 50–950 ramp

primary

#64A5E9

secondary

#EBD5BE

accent

#750ED7

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #64A5E9

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

Preview Lab → · Contrast checker → · Palette generator →