#647FFA#647FFA

#647FFA is a light, vivid blue. Relative luminance 0.248; OKLCH L 63.8% C 0.185 H 271.0°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#647FFA
RGB	rgb(100, 127, 250)
HSL	hsl(229, 94%, 69%)
HSV	hsv(229, 60%, 98%)
CMYK	cmyk(60%, 49.2%, 0%, 2%)
CIE-LAB	lab(56.87, 26.70, -64.55)
CIE-LCH	lch(56.87, 69.85, 292.47°)
OKLab	oklab(63.82% 0.0032 -0.1847)
OKLCH	oklch(63.82% 0.185 271)
XYZ	xyz(30.0945, 24.7877, 93.6225)
Luminance	0.2479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FFA #FADF64

analogous

#64CAFA #647FFA #9464FA

triadic

#647FFA #FA647F #7FFA64

tetradic

#647FFA #FA64CA #FADF64 #64FA94

square

#647FFA #FA64CA #FADF64 #64FA94

split-complementary

#647FFA #FA9464 #CAFA64

monochromatic

#072EDC #294EF8 #647FFA #9FB0FC #DBE1FE

Accessibility & contrast

On white

3.52

#647FFA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#647FFA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FFA

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FFA	#FFFFFF	#000000	##000000
##647FFA	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D8FFE

Deuteranopia (green-blind)

#1C82F7

Tritanopia (blue-blind)

#009BB1

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #647ffa;
/* rgb */ color: rgb(100, 127, 250);
/* oklch */ color: oklch(63.8% 0.185 271.0);

Tailwind

colors: {
  custom: {
    50: '#9ca3fd',
    500: '#647ffa',
    950: '#000000',
  },
}

SCSS

$custom: #647ffa;
$custom-light: #9ca3fd;
$custom-dark: #000000;

JSON

{
  "hex": "#647ffa",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 250
  },
  "hsl": {
    "h": 229.2,
    "s": 93.75,
    "l": 68.627
  },
  "oklch": {
    "l": 0.63816,
    "c": 0.18477,
    "h": 271
  },
  "luminance": 0.2479
}

Semantic roles & 50–950 ramp

primary

#647FFA

secondary

#F3EBC7

accent

#BC00E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #647FFA

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

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