#64A3F9#64A3F9

#64A3F9 is a light, vivid cyan. Relative luminance 0.357; OKLCH L 71.1% C 0.142 H 256.6°. Best body text is #000000 at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#64A3F9
RGB	rgb(100, 163, 249)
HSL	hsl(215, 93%, 68%)
HSV	hsv(215, 60%, 98%)
CMYK	cmyk(59.8%, 34.5%, 0%, 2.4%)
CIE-LAB	lab(66.32, 5.07, -48.93)
CIE-LCH	lch(66.32, 49.19, 275.91°)
OKLab	oklab(71.07% -0.0331 -0.1385)
OKLCH	oklch(71.07% 0.142 256.6)
XYZ	xyz(35.4455, 35.7401, 94.6348)
Luminance	0.3574 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A3F9 #F9BA64

analogous

#64EDF9 #64A3F9 #6F64F9

triadic

#64A3F9 #F964A3 #A3F964

tetradic

#64A3F9 #F964ED #F9BA64 #64F96F

square

#64A3F9 #F964ED #F9BA64 #64F96F

split-complementary

#64A3F9 #F96F64 #EDF964

monochromatic

#0861DA #2980F7 #64A3F9 #9FC6FB #DAE9FE

Accessibility & contrast

On white

2.58

#64A3F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.15

#64A3F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A3F9

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A3F9	#FFFFFF	#000000	##000000
##64A3F9	1.00	2.58	8.15	8.15
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.15	21.00	1.00	1.00
##000000	8.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA9FD

Deuteranopia (green-blind)

#6B9BF7

Tritanopia (blue-blind)

#00B7C2

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #64a3f9;
/* rgb */ color: rgb(100, 163, 249);
/* oklch */ color: oklch(71.1% 0.142 256.6);

Tailwind

colors: {
  custom: {
    50: '#9bbdfb',
    500: '#64a3f9',
    950: '#000000',
  },
}

SCSS

$custom: #64a3f9;
$custom-light: #9bbdfb;
$custom-dark: #000000;

JSON

{
  "hex": "#64a3f9",
  "rgb": {
    "r": 100,
    "g": 163,
    "b": 249
  },
  "hsl": {
    "h": 214.631,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.71073,
    "c": 0.14244,
    "h": 256.6
  },
  "luminance": 0.35743
}

Semantic roles & 50–950 ramp

primary

#64A3F9

secondary

#F3E0C6

accent

#8400E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #64A3F9

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

Preview Lab → · Contrast checker → · Palette generator →