#647EBA#647EBA

#647EBA is a mid, moderate blue. Relative luminance 0.212; OKLCH L 59.8% C 0.097 H 265.7°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#647EBA
RGB	rgb(100, 126, 186)
HSL	hsl(222, 38%, 56%)
HSV	hsv(222, 46%, 73%)
CMYK	cmyk(46.2%, 32.3%, 0%, 27.1%)
CIE-LAB	lab(53.14, 6.99, -34.47)
CIE-LCH	lch(53.14, 35.17, 281.47°)
OKLab	oklab(59.83% -0.0073 -0.0967)
OKLCH	oklch(59.83% 0.097 265.7)
XYZ	xyz(21.5765, 21.1749, 49.3951)
Luminance	0.2118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EBA #BAA064

analogous

#64A9BA #647EBA #7564BA

triadic

#647EBA #BA647E #7EBA64

tetradic

#647EBA #BA64A9 #BAA064 #64BA75

square

#647EBA #BA64A9 #BAA064 #64BA75

split-complementary

#647EBA #BA7564 #A9BA64

monochromatic

#324571 #455F9C #647EBA #8EA1CD #B9C4E0

Accessibility & contrast

On white

4.01

#647EBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#647EBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EBA

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EBA	#FFFFFF	#000000	##000000
##647EBA	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6883BD

Deuteranopia (green-blind)

#5F7BB9

Tritanopia (blue-blind)

#438B94

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #647eba;
/* rgb */ color: rgb(100, 126, 186);
/* oklch */ color: oklch(59.8% 0.097 265.7);

Tailwind

colors: {
  custom: {
    50: '#94a3cf',
    500: '#647eba',
    950: '#000000',
  },
}

SCSS

$custom: #647eba;
$custom-light: #94a3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#647eba",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 186
  },
  "hsl": {
    "h": 221.86,
    "s": 38.393,
    "l": 56.078
  },
  "oklch": {
    "l": 0.59834,
    "c": 0.097,
    "h": 265.7
  },
  "luminance": 0.21176
}

Semantic roles & 50–950 ramp

primary

#647EBA

secondary

#CFC4AB

accent

#AB59CE

background

#F9FAFC

surface

#F2F3F9

border

#CCCDD2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #647EBA

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

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