#647FCD#647FCD

#647FCD is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.1% C 0.123 H 268.2°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#647FCD
RGB	rgb(100, 127, 205)
HSL	hsl(225, 51%, 60%)
HSV	hsv(225, 51%, 80%)
CMYK	cmyk(51.2%, 38%, 0%, 19.6%)
CIE-LAB	lab(54.34, 12.24, -43.41)
CIE-LCH	lch(54.34, 45.11, 285.74°)
OKLab	oklab(61.06% -0.0038 -0.1227)
OKLCH	oklch(61.06% 0.123 268.2)
XYZ	xyz(23.8607, 22.2942, 60.7917)
Luminance	0.2230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FCD #CDB264

analogous

#64B4CD #647FCD #7D64CD

triadic

#647FCD #CD647F #7FCD64

tetradic

#647FCD #CD64B4 #CDB264 #64CD7D

square

#647FCD #CD64B4 #CDB264 #64CD7D

split-complementary

#647FCD #CD7D64 #B4CD64

monochromatic

#2D458A #3B5CB8 #647FCD #92A5DC #C1CBEB

Accessibility & contrast

On white

3.85

#647FCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#647FCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FCD

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FCD	#FFFFFF	#000000	##000000
##647FCD	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6087D0

Deuteranopia (green-blind)

#557ECB

Tritanopia (blue-blind)

#34909C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #647fcd;
/* rgb */ color: rgb(100, 127, 205);
/* oklch */ color: oklch(61.1% 0.123 268.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#647fcd",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 205
  },
  "hsl": {
    "h": 224.571,
    "s": 51.22,
    "l": 59.804
  },
  "oklch": {
    "l": 0.61063,
    "c": 0.1228,
    "h": 268.2
  },
  "luminance": 0.22296
}

Semantic roles & 50–950 ramp

primary

#647FCD

secondary

#DBD0B2

accent

#B64DDB

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #647FCD

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

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