#648FCC#648FCC

#648FCC is a light, moderate blue. Relative luminance 0.267; OKLCH L 64.4% C 0.104 H 257.2°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#648FCC
RGB	rgb(100, 143, 204)
HSL	hsl(215, 50%, 60%)
HSV	hsv(215, 51%, 80%)
CMYK	cmyk(51%, 29.9%, 0%, 20%)
CIE-LAB	lab(58.71, 2.45, -35.98)
CIE-LCH	lch(58.71, 36.06, 273.90°)
OKLab	oklab(64.44% -0.023 -0.101)
OKLCH	oklch(64.44% 0.104 257.2)
XYZ	xyz(25.9734, 26.7120, 60.9023)
Luminance	0.2671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FCC #CCA164

analogous

#64C3CC #648FCC #6D64CC

triadic

#648FCC #CC648F #8FCC64

tetradic

#648FCC #CC64C3 #CCA164 #64CC6D

square

#648FCC #CC64C3 #CCA164 #64CC6D

split-complementary

#648FCC #CC6D64 #C3CC64

monochromatic

#2D5389 #3C6FB7 #648FCC #92B0DB #C0D2EA

Accessibility & contrast

On white

3.31

#648FCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#648FCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FCC

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FCC	#FFFFFF	#000000	##000000
##648FCC	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7793CF

Deuteranopia (green-blind)

#6A89CB

Tritanopia (blue-blind)

#319DA5

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #648fcc;
/* rgb */ color: rgb(100, 143, 204);
/* oklch */ color: oklch(64.4% 0.104 257.2);

Tailwind

colors: {
  custom: {
    50: '#96afdc',
    500: '#648fcc',
    950: '#000000',
  },
}

SCSS

$custom: #648fcc;
$custom-light: #96afdc;
$custom-dark: #000000;

JSON

{
  "hex": "#648fcc",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 204
  },
  "hsl": {
    "h": 215.192,
    "s": 50.485,
    "l": 59.608
  },
  "oklch": {
    "l": 0.64442,
    "c": 0.10362,
    "h": 257.2
  },
  "luminance": 0.26714
}

Semantic roles & 50–950 ramp

primary

#648FCC

secondary

#DAC9B2

accent

#A04EDA

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648FCC

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

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