#64B4F3#64B4F3

#64B4F3 is a light, vivid cyan. Relative luminance 0.418; OKLCH L 74.5% C 0.121 H 244.2°. Best body text is #000000 at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#64B4F3
RGB	rgb(100, 180, 243)
HSL	hsl(206, 86%, 67%)
HSV	hsv(206, 59%, 95%)
CMYK	cmyk(58.8%, 25.9%, 0%, 4.7%)
CIE-LAB	lab(70.75, -6.38, -38.73)
CIE-LCH	lch(70.75, 39.25, 260.65°)
OKLab	oklab(74.46% -0.0525 -0.1088)
OKLCH	oklch(74.46% 0.121 244.2)
XYZ	xyz(37.7485, 41.8194, 90.8593)
Luminance	0.4182 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B4F3 #F3A364

analogous

#64F3EB #64B4F3 #646CF3

triadic

#64B4F3 #F364B4 #B4F364

tetradic

#64B4F3 #EB64F3 #F3A364 #6CF364

square

#64B4F3 #EB64F3 #F3A364 #6CF364

split-complementary

#64B4F3 #F3646C #F3EB64

monochromatic

#107ACD #2B99EF #64B4F3 #9DCFF7 #D6EBFC

Accessibility & contrast

On white

2.24

#64B4F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.36

#64B4F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B4F3

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B4F3	#FFFFFF	#000000	##000000
##64B4F3	1.00	2.24	9.36	9.36
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.36	21.00	1.00	1.00
##000000	9.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98B5F6

Deuteranopia (green-blind)

#85A7F2

Tritanopia (blue-blind)

#00C3CA

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #64b4f3;
/* rgb */ color: rgb(100, 180, 243);
/* oklch */ color: oklch(74.5% 0.121 244.2);

Tailwind

colors: {
  custom: {
    50: '#9bcaf7',
    500: '#64b4f3',
    950: '#000000',
  },
}

SCSS

$custom: #64b4f3;
$custom-light: #9bcaf7;
$custom-dark: #000000;

JSON

{
  "hex": "#64b4f3",
  "rgb": {
    "r": 100,
    "g": 180,
    "b": 243
  },
  "hsl": {
    "h": 206.434,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.74459,
    "c": 0.12081,
    "h": 244.2
  },
  "luminance": 0.41823
}

Semantic roles & 50–950 ramp

primary

#64B4F3

secondary

#F0D7C3

accent

#6603E2

background

#FAFCFF

surface

#F4F8FE

border

#CED1D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B4F3

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

Preview Lab → · Contrast checker → · Palette generator →