#64A3FD#64A3FD

#64A3FD is a light, vivid blue. Relative luminance 0.360; OKLCH L 71.3% C 0.148 H 257.4°. Best body text is #000000 at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#64A3FD
RGB	rgb(100, 163, 253)
HSL	hsl(215, 97%, 69%)
HSV	hsv(215, 60%, 99%)
CMYK	cmyk(60.5%, 35.6%, 0%, 0.8%)
CIE-LAB	lab(66.51, 6.35, -50.81)
CIE-LCH	lch(66.51, 51.20, 277.13°)
OKLab	oklab(71.29% -0.0321 -0.144)
OKLCH	oklch(71.29% 0.148 257.4)
XYZ	xyz(36.0760, 35.9923, 97.9555)
Luminance	0.3600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A3FD #FDBE64

analogous

#64F0FD #64A3FD #7264FD

triadic

#64A3FD #FD64A3 #A3FD64

tetradic

#64A3FD #FD64F0 #FDBE64 #64FD72

square

#64A3FD #FD64F0 #FDBE64 #64FD72

split-complementary

#64A3FD #FD7264 #F0FD64

monochromatic

#035FE4 #287FFC #64A3FD #A0C7FE #DDEBFF

Accessibility & contrast

On white

2.56

#64A3FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.20

#64A3FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A3FD

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A3FD	#FFFFFF	#000000	##000000
##64A3FD	1.00	2.56	8.20	8.20
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.20	21.00	1.00	1.00
##000000	8.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7DAAFF

Deuteranopia (green-blind)

#689BFB

Tritanopia (blue-blind)

#00B7C4

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #64a3fd;
/* rgb */ color: rgb(100, 163, 253);
/* oklch */ color: oklch(71.3% 0.148 257.4);

Tailwind

colors: {
  custom: {
    50: '#9cbdfe',
    500: '#64a3fd',
    950: '#000000',
  },
}

SCSS

$custom: #64a3fd;
$custom-light: #9cbdfe;
$custom-dark: #000000;

JSON

{
  "hex": "#64a3fd",
  "rgb": {
    "r": 100,
    "g": 163,
    "b": 253
  },
  "hsl": {
    "h": 215.294,
    "s": 97.452,
    "l": 69.216
  },
  "oklch": {
    "l": 0.71287,
    "c": 0.14755,
    "h": 257.4
  },
  "luminance": 0.35996
}

Semantic roles & 50–950 ramp

primary

#64A3FD

secondary

#F5E2C8

accent

#8700E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1218

muted

#7F8186

Preview Lab

Preview with #64A3FD

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

Preview Lab → · Contrast checker → · Palette generator →