#647ECC#647ECC

#647ECC is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.8% C 0.123 H 268.6°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#647ECC
RGB	rgb(100, 126, 204)
HSL	hsl(225, 50%, 60%)
HSV	hsv(225, 51%, 80%)
CMYK	cmyk(51%, 38.2%, 0%, 20%)
CIE-LAB	lab(54.02, 12.53, -43.36)
CIE-LCH	lch(54.02, 45.13, 286.11°)
OKLab	oklab(60.8% -0.0029 -0.1226)
OKLCH	oklch(60.8% 0.123 268.6)
XYZ	xyz(23.6119, 21.9891, 60.1151)
Luminance	0.2199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647ECC #CCB264

analogous

#64B2CC #647ECC #7E64CC

triadic

#647ECC #CC647E #7ECC64

tetradic

#647ECC #CC64B2 #CCB264 #64CC7E

square

#647ECC #CC64B2 #CCB264 #64CC7E

split-complementary

#647ECC #CC7E64 #B2CC64

monochromatic

#2D4489 #3C5BB7 #647ECC #92A4DB #C0CBEA

Accessibility & contrast

On white

3.89

#647ECC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#647ECC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647ECC

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647ECC	#FFFFFF	#000000	##000000
##647ECC	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F86CF

Deuteranopia (green-blind)

#547DCA

Tritanopia (blue-blind)

#358F9B

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #647ecc;
/* rgb */ color: rgb(100, 126, 204);
/* oklch */ color: oklch(60.8% 0.123 268.6);

Tailwind

colors: {
  custom: {
    50: '#96a3dc',
    500: '#647ecc',
    950: '#000000',
  },
}

SCSS

$custom: #647ecc;
$custom-light: #96a3dc;
$custom-dark: #000000;

JSON

{
  "hex": "#647ecc",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 204
  },
  "hsl": {
    "h": 225,
    "s": 50.485,
    "l": 59.608
  },
  "oklch": {
    "l": 0.60798,
    "c": 0.12261,
    "h": 268.6
  },
  "luminance": 0.21991
}

Semantic roles & 50–950 ramp

primary

#647ECC

secondary

#DAD0B2

accent

#B74EDA

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #647ECC

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

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