#647FCF#647FCF

#647FCF is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.2% C 0.126 H 268.4°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#647FCF
RGB	rgb(100, 127, 207)
HSL	hsl(225, 53%, 60%)
HSV	hsv(225, 52%, 81%)
CMYK	cmyk(51.7%, 38.6%, 0%, 18.8%)
CIE-LAB	lab(54.44, 12.86, -44.39)
CIE-LCH	lch(54.44, 46.21, 286.16°)
OKLab	oklab(61.18% -0.0034 -0.1256)
OKLCH	oklch(61.18% 0.126 268.4)
XYZ	xyz(24.1037, 22.3914, 62.0712)
Luminance	0.2239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FCF #CFB464

analogous

#64B4CF #647FCF #7F64CF

triadic

#647FCF #CF647F #7FCF64

tetradic

#647FCF #CF64B4 #CFB464 #64CF7F

square

#647FCF #CF64B4 #CFB464 #64CF7F

split-complementary

#647FCF #CF7F64 #B4CF64

monochromatic

#2C448D #3A5BBC #647FCF #93A6DD #C1CCEC

Accessibility & contrast

On white

3.83

#647FCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#647FCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FCF

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FCF	#FFFFFF	#000000	##000000
##647FCF	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F87D2

Deuteranopia (green-blind)

#537ECD

Tritanopia (blue-blind)

#32909D

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #647fcf;
/* rgb */ color: rgb(100, 127, 207);
/* oklch */ color: oklch(61.2% 0.126 268.4);

Tailwind

colors: {
  custom: {
    50: '#97a3de',
    500: '#647fcf',
    950: '#000000',
  },
}

SCSS

$custom: #647fcf;
$custom-light: #97a3de;
$custom-dark: #000000;

JSON

{
  "hex": "#647fcf",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 207
  },
  "hsl": {
    "h": 224.86,
    "s": 52.709,
    "l": 60.196
  },
  "oklch": {
    "l": 0.61175,
    "c": 0.12563,
    "h": 268.4
  },
  "luminance": 0.22393
}

Semantic roles & 50–950 ramp

primary

#647FCF

secondary

#DCD2B3

accent

#9925C0

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #647FCF

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

Preview Lab → · Contrast checker → · Palette generator →