#648ECF#648ECF

#648ECF is a light, moderate blue. Relative luminance 0.266; OKLCH L 64.4% C 0.109 H 258.9°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#648ECF
RGB	rgb(100, 142, 207)
HSL	hsl(216, 53%, 60%)
HSV	hsv(216, 52%, 81%)
CMYK	cmyk(51.7%, 31.4%, 0%, 18.8%)
CIE-LAB	lab(58.56, 3.96, -37.89)
CIE-LCH	lch(58.56, 38.10, 275.96°)
OKLab	oklab(64.38% -0.021 -0.1066)
OKLCH	oklch(64.38% 0.109 258.9)
XYZ	xyz(26.1872, 26.5584, 62.7657)
Luminance	0.2656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648ECF #CFA564

analogous

#64C3CF #648ECF #7064CF

triadic

#648ECF #CF648E #8ECF64

tetradic

#648ECF #CF64C3 #CFA564 #64CF70

square

#648ECF #CF64C3 #CFA564 #64CF70

split-complementary

#648ECF #CF7064 #C3CF64

monochromatic

#2C528D #3A6DBC #648ECF #93B0DD #C1D2EC

Accessibility & contrast

On white

3.33

#648ECF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#648ECF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648ECF

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648ECF	#FFFFFF	#000000	##000000
##648ECF	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7592D2

Deuteranopia (green-blind)

#6888CE

Tritanopia (blue-blind)

#2E9CA5

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #648ecf;
/* rgb */ color: rgb(100, 142, 207);
/* oklch */ color: oklch(64.4% 0.109 258.9);

Tailwind

colors: {
  custom: {
    50: '#96aede',
    500: '#648ecf',
    950: '#000000',
  },
}

SCSS

$custom: #648ecf;
$custom-light: #96aede;
$custom-dark: #000000;

JSON

{
  "hex": "#648ecf",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 207
  },
  "hsl": {
    "h": 216.449,
    "s": 52.709,
    "l": 60.196
  },
  "oklch": {
    "l": 0.64375,
    "c": 0.10862,
    "h": 258.9
  },
  "luminance": 0.2656
}

Semantic roles & 50–950 ramp

primary

#648ECF

secondary

#DCCCB3

accent

#8325C0

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648ECF

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

Preview Lab → · Contrast checker → · Palette generator →