#647FBE#647FBE

#647FBE is a mid, moderate blue. Relative luminance 0.216; OKLCH L 60.3% C 0.102 H 265.8°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#647FBE
RGB	rgb(100, 127, 190)
HSL	hsl(222, 41%, 57%)
HSV	hsv(222, 47%, 75%)
CMYK	cmyk(47.4%, 33.2%, 0%, 25.5%)
CIE-LAB	lab(53.60, 7.61, -36.03)
CIE-LCH	lch(53.60, 36.82, 281.92°)
OKLab	oklab(60.26% -0.0075 -0.1013)
OKLCH	oklch(60.26% 0.102 265.8)
XYZ	xyz(22.1362, 21.6044, 51.7088)
Luminance	0.2161 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FBE #BEA364

analogous

#64ACBE #647FBE #7664BE

triadic

#647FBE #BE647F #7FBE64

tetradic

#647FBE #BE64AC #BEA364 #64BE76

square

#647FBE #BE64AC #BEA364 #64BE76

split-complementary

#647FBE #BE7664 #ACBE64

monochromatic

#324676 #4460A1 #647FBE #8FA3D0 #BAC6E2

Accessibility & contrast

On white

3.95

#647FBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#647FBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FBE

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FBE	#FFFFFF	#000000	##000000
##647FBE	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6884C1

Deuteranopia (green-blind)

#5E7CBD

Tritanopia (blue-blind)

#408C96

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #647fbe;
/* rgb */ color: rgb(100, 127, 190);
/* oklch */ color: oklch(60.3% 0.102 265.8);

Tailwind

colors: {
  custom: {
    50: '#95a3d2',
    500: '#647fbe',
    950: '#000000',
  },
}

SCSS

$custom: #647fbe;
$custom-light: #95a3d2;
$custom-dark: #000000;

JSON

{
  "hex": "#647fbe",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 190
  },
  "hsl": {
    "h": 222,
    "s": 40.909,
    "l": 56.863
  },
  "oklch": {
    "l": 0.60256,
    "c": 0.10153,
    "h": 265.8
  },
  "luminance": 0.21606
}

Semantic roles & 50–950 ramp

primary

#647FBE

secondary

#D1C6AD

accent

#AC57D1

background

#F9FAFC

surface

#F2F3F9

border

#CCCDD2

text

#0E0F14

muted

#7E7F82

Preview Lab

Preview with #647FBE

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

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