#647EBF#647EBF

#647EBF is a mid, moderate blue. Relative luminance 0.214; OKLCH L 60.1% C 0.104 H 266.7°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#647EBF
RGB	rgb(100, 126, 191)
HSL	hsl(223, 42%, 57%)
HSV	hsv(223, 48%, 75%)
CMYK	cmyk(47.6%, 34%, 0%, 25.1%)
CIE-LAB	lab(53.38, 8.51, -36.96)
CIE-LCH	lch(53.38, 37.93, 282.96°)
OKLab	oklab(60.09% -0.006 -0.104)
OKLCH	oklch(60.09% 0.104 266.7)
XYZ	xyz(22.1173, 21.3913, 52.2436)
Luminance	0.2139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EBF #BFA564

analogous

#64ACBF #647EBF #7864BF

triadic

#647EBF #BF647E #7EBF64

tetradic

#647EBF #BF64AC #BFA564 #64BF78

square

#647EBF #BF64AC #BFA564 #64BF78

split-complementary

#647EBF #BF7864 #ACBF64

monochromatic

#314577 #435EA3 #647EBF #8FA2D1 #BBC6E3

Accessibility & contrast

On white

3.98

#647EBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#647EBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EBF

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EBF	#FFFFFF	#000000	##000000
##647EBF	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6684C2

Deuteranopia (green-blind)

#5C7CBE

Tritanopia (blue-blind)

#408C96

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #647ebf;
/* rgb */ color: rgb(100, 126, 191);
/* oklch */ color: oklch(60.1% 0.104 266.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#647ebf",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 191
  },
  "hsl": {
    "h": 222.857,
    "s": 41.553,
    "l": 57.059
  },
  "oklch": {
    "l": 0.60093,
    "c": 0.10413,
    "h": 266.7
  },
  "luminance": 0.21393
}

Semantic roles & 50–950 ramp

primary

#647EBF

secondary

#D2C7AD

accent

#AE56D1

background

#F9FAFC

surface

#F2F3F9

border

#CCCDD2

text

#0E0F14

muted

#7E7F82

Preview Lab

Preview with #647EBF

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

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