#648ACE#648ACE

#648ACE is a light, moderate blue. Relative luminance 0.253; OKLCH L 63.5% C 0.111 H 261.5°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#648ACE
RGB	rgb(100, 138, 206)
HSL	hsl(218, 52%, 60%)
HSV	hsv(218, 51%, 81%)
CMYK	cmyk(51.5%, 33%, 0%, 19.2%)
CIE-LAB	lab(57.41, 6.00, -39.15)
CIE-LCH	lch(57.41, 39.60, 278.71°)
OKLab	oklab(63.46% -0.0165 -0.1102)
OKLCH	oklch(63.46% 0.111 261.5)
XYZ	xyz(25.4808, 25.3407, 61.9291)
Luminance	0.2534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648ACE #CEA864

analogous

#64BFCE #648ACE #7364CE

triadic

#648ACE #CE648A #8ACE64

tetradic

#648ACE #CE64BF #CEA864 #64CE73

square

#648ACE #CE64BF #CEA864 #64CE73

split-complementary

#648ACE #CE7364 #BFCE64

monochromatic

#2C4E8C #3B68BA #648ACE #92ADDD #C1D0EB

Accessibility & contrast

On white

3.46

#648ACE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#648ACE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648ACE

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648ACE	#FFFFFF	#000000	##000000
##648ACE	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F8FD1

Deuteranopia (green-blind)

#6385CD

Tritanopia (blue-blind)

#3199A3

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #648ace;
/* rgb */ color: rgb(100, 138, 206);
/* oklch */ color: oklch(63.5% 0.111 261.5);

Tailwind

colors: {
  custom: {
    50: '#96abdd',
    500: '#648ace',
    950: '#000000',
  },
}

SCSS

$custom: #648ace;
$custom-light: #96abdd;
$custom-dark: #000000;

JSON

{
  "hex": "#648ace",
  "rgb": {
    "r": 100,
    "g": 138,
    "b": 206
  },
  "hsl": {
    "h": 218.491,
    "s": 51.961,
    "l": 60
  },
  "oklch": {
    "l": 0.63457,
    "c": 0.11147,
    "h": 261.5
  },
  "luminance": 0.25343
}

Semantic roles & 50–950 ramp

primary

#648ACE

secondary

#DBCDB2

accent

#A84CDB

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648ACE

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

Preview Lab → · Contrast checker → · Palette generator →