#647CA2#647CA2

#647CA2 is a mid, moderate blue. Relative luminance 0.197; OKLCH L 58.2% C 0.065 H 259.4°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#647CA2
RGB	rgb(100, 124, 162)
HSL	hsl(217, 25%, 51%)
HSV	hsv(217, 38%, 64%)
CMYK	cmyk(38.3%, 23.5%, 0%, 36.5%)
CIE-LAB	lab(51.53, 1.17, -23.11)
CIE-LCH	lch(51.53, 23.14, 272.91°)
OKLab	oklab(58.24% -0.0119 -0.0641)
OKLCH	oklch(58.24% 0.065 259.4)
XYZ	xyz(18.9827, 19.7323, 36.9839)
Luminance	0.1973 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CA2 #A28A64

analogous

#649BA2 #647CA2 #6B64A2

triadic

#647CA2 #A2647C #7CA264

tetradic

#647CA2 #A2649B #A28A64 #64A26B

square

#647CA2 #A2649B #A28A64 #64A26B

split-complementary

#647CA2 #A26B64 #9BA264

monochromatic

#344257 #4B5F7E #647CA2 #8A9CB9 #B1BDD0

Accessibility & contrast

On white

4.25

#647CA2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#647CA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CA2

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CA2	#FFFFFF	#000000	##000000
##647CA2	1.00	4.25	4.95	4.95
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7EA4

Deuteranopia (green-blind)

#6878A1

Tritanopia (blue-blind)

#508489

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #647ca2;
/* rgb */ color: rgb(100, 124, 162);
/* oklch */ color: oklch(58.2% 0.065 259.4);

Tailwind

colors: {
  custom: {
    50: '#92a1bd',
    500: '#647ca2',
    950: '#000000',
  },
}

SCSS

$custom: #647ca2;
$custom-light: #92a1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#647ca2",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 162
  },
  "hsl": {
    "h": 216.774,
    "s": 25,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58237,
    "c": 0.06517,
    "h": 259.4
  },
  "luminance": 0.19733
}

Semantic roles & 50–950 ramp

primary

#647CA2

secondary

#BFB4A3

accent

#9E66C1

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0F12

muted

#7E7E81

Preview Lab

Preview with #647CA2

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

Preview Lab → · Contrast checker → · Palette generator →