#647FCE#647FCE

#647FCE is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.1% C 0.124 H 268.3°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#647FCE
RGB	rgb(100, 127, 206)
HSL	hsl(225, 52%, 60%)
HSV	hsv(225, 51%, 81%)
CMYK	cmyk(51.5%, 38.3%, 0%, 19.2%)
CIE-LAB	lab(54.39, 12.55, -43.90)
CIE-LCH	lch(54.39, 45.66, 285.95°)
OKLab	oklab(61.12% -0.0036 -0.1242)
OKLCH	oklch(61.12% 0.124 268.3)
XYZ	xyz(23.9818, 22.3427, 61.4294)
Luminance	0.2234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FCE #CEB364

analogous

#64B4CE #647FCE #7E64CE

triadic

#647FCE #CE647F #7FCE64

tetradic

#647FCE #CE64B4 #CEB364 #64CE7E

square

#647FCE #CE64B4 #CEB364 #64CE7E

split-complementary

#647FCE #CE7E64 #B4CE64

monochromatic

#2C448C #3B5BBA #647FCE #92A5DD #C1CCEB

Accessibility & contrast

On white

3.84

#647FCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#647FCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FCE

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FCE	#FFFFFF	#000000	##000000
##647FCE	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6087D1

Deuteranopia (green-blind)

#547ECC

Tritanopia (blue-blind)

#33909D

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #647fce;
/* rgb */ color: rgb(100, 127, 206);
/* oklch */ color: oklch(61.1% 0.124 268.3);

Tailwind

colors: {
  custom: {
    50: '#96a3dd',
    500: '#647fce',
    950: '#000000',
  },
}

SCSS

$custom: #647fce;
$custom-light: #96a3dd;
$custom-dark: #000000;

JSON

{
  "hex": "#647fce",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 206
  },
  "hsl": {
    "h": 224.717,
    "s": 51.961,
    "l": 60
  },
  "oklch": {
    "l": 0.61119,
    "c": 0.12421,
    "h": 268.3
  },
  "luminance": 0.22344
}

Semantic roles & 50–950 ramp

primary

#647FCE

secondary

#DBD1B2

accent

#B74CDB

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #647FCE

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

Preview Lab → · Contrast checker → · Palette generator →