#648DFA#648DFA

#648DFA is a light, vivid blue. Relative luminance 0.287; OKLCH L 66.6% C 0.168 H 266.4°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#648DFA
RGB	rgb(100, 141, 250)
HSL	hsl(224, 94%, 69%)
HSV	hsv(224, 60%, 98%)
CMYK	cmyk(60%, 43.6%, 0%, 2%)
CIE-LAB	lab(60.48, 18.29, -58.76)
CIE-LCH	lch(60.48, 61.54, 287.29°)
OKLab	oklab(66.57% -0.0105 -0.1675)
OKLCH	oklch(66.57% 0.168 266.4)
XYZ	xyz(32.0298, 28.6585, 94.2677)
Luminance	0.2866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DFA #FAD164

analogous

#64D8FA #648DFA #8664FA

triadic

#648DFA #FA648D #8DFA64

tetradic

#648DFA #FA64D8 #FAD164 #64FA86

square

#648DFA #FA64D8 #FAD164 #64FA86

split-complementary

#648DFA #FA8664 #D8FA64

monochromatic

#0741DC #2961F8 #648DFA #9FB9FC #DBE4FE

Accessibility & contrast

On white

3.12

#648DFA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#648DFA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DFA

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DFA	#FFFFFF	#000000	##000000
##648DFA	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B99FE

Deuteranopia (green-blind)

#448BF8

Tritanopia (blue-blind)

#00A6B7

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #648dfa;
/* rgb */ color: rgb(100, 141, 250);
/* oklch */ color: oklch(66.6% 0.168 266.4);

Tailwind

colors: {
  custom: {
    50: '#9cadfc',
    500: '#648dfa',
    950: '#000000',
  },
}

SCSS

$custom: #648dfa;
$custom-light: #9cadfc;
$custom-dark: #000000;

JSON

{
  "hex": "#648dfa",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 250
  },
  "hsl": {
    "h": 223.6,
    "s": 93.75,
    "l": 68.627
  },
  "oklch": {
    "l": 0.66569,
    "c": 0.16788,
    "h": 266.4
  },
  "luminance": 0.28661
}

Semantic roles & 50–950 ramp

primary

#648DFA

secondary

#F3E7C7

accent

#A700E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #648DFA

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

Preview Lab → · Contrast checker → · Palette generator →