#648ED3#648ED3

#648ED3 is a light, moderate blue. Relative luminance 0.268; OKLCH L 64.6% C 0.114 H 260.0°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#648ED3
RGB	rgb(100, 142, 211)
HSL	hsl(217, 56%, 61%)
HSV	hsv(217, 53%, 83%)
CMYK	cmyk(52.6%, 32.7%, 0%, 17.3%)
CIE-LAB	lab(58.75, 5.20, -39.85)
CIE-LCH	lch(58.75, 40.19, 277.43°)
OKLab	oklab(64.58% -0.0199 -0.1123)
OKLCH	oklch(64.58% 0.114 260)
XYZ	xyz(26.6824, 26.7565, 65.3738)
Luminance	0.2676 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648ED3 #D3A964

analogous

#64C6D3 #648ED3 #7164D3

triadic

#648ED3 #D3648E #8ED364

tetradic

#648ED3 #D364C6 #D3A964 #64D371

square

#648ED3 #D364C6 #D3A964 #64D371

split-complementary

#648ED3 #D37164 #C6D364

monochromatic

#2A5293 #376CC3 #648ED3 #94B1E1 #C3D4EE

Accessibility & contrast

On white

3.31

#648ED3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#648ED3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648ED3

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648ED3	#FFFFFF	#000000	##000000
##648ED3	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7393D6

Deuteranopia (green-blind)

#6589D2

Tritanopia (blue-blind)

#2A9DA7

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #648ed3;
/* rgb */ color: rgb(100, 142, 211);
/* oklch */ color: oklch(64.6% 0.114 260.0);

Tailwind

colors: {
  custom: {
    50: '#97aee1',
    500: '#648ed3',
    950: '#000000',
  },
}

SCSS

$custom: #648ed3;
$custom-light: #97aee1;
$custom-dark: #000000;

JSON

{
  "hex": "#648ed3",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 211
  },
  "hsl": {
    "h": 217.297,
    "s": 55.779,
    "l": 60.98
  },
  "oklch": {
    "l": 0.64579,
    "c": 0.11401,
    "h": 260
  },
  "luminance": 0.26758
}

Semantic roles & 50–950 ramp

primary

#648ED3

secondary

#DECEB4

accent

#8622C3

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648ED3

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

Preview Lab → · Contrast checker → · Palette generator →