#647DAD#647DAD

#647DAD is a mid, moderate blue. Relative luminance 0.204; OKLCH L 59.0% C 0.080 H 263.0°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#647DAD
RGB	rgb(100, 125, 173)
HSL	hsl(219, 31%, 54%)
HSV	hsv(219, 42%, 68%)
CMYK	cmyk(42.2%, 27.7%, 0%, 32.2%)
CIE-LAB	lab(52.28, 3.73, -28.33)
CIE-LCH	lch(52.28, 28.58, 277.51°)
OKLab	oklab(58.97% -0.0097 -0.079)
OKLCH	oklch(58.97% 0.08 263)
XYZ	xyz(20.1296, 20.3926, 42.4026)
Luminance	0.2039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DAD #AD9464

analogous

#64A1AD #647DAD #6F64AD

triadic

#647DAD #AD647D #7DAD64

tetradic

#647DAD #AD64A1 #AD9464 #64AD6F

square

#647DAD #AD64A1 #AD9464 #64AD6F

split-complementary

#647DAD #AD6F64 #A1AD64

monochromatic

#344462 #49608B #647DAD #8C9FC2 #B4C0D7

Accessibility & contrast

On white

4.13

#647DAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#647DAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DAD

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DAD	#FFFFFF	#000000	##000000
##647DAD	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C80AF

Deuteranopia (green-blind)

#647AAC

Tritanopia (blue-blind)

#4B878E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #647dad;
/* rgb */ color: rgb(100, 125, 173);
/* oklch */ color: oklch(59.0% 0.080 263.0);

Tailwind

colors: {
  custom: {
    50: '#93a2c5',
    500: '#647dad',
    950: '#000000',
  },
}

SCSS

$custom: #647dad;
$custom-light: #93a2c5;
$custom-dark: #000000;

JSON

{
  "hex": "#647dad",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 173
  },
  "hsl": {
    "h": 219.452,
    "s": 30.802,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58971,
    "c": 0.07962,
    "h": 263
  },
  "luminance": 0.20394
}

Semantic roles & 50–950 ramp

primary

#647DAD

secondary

#C6BBA7

accent

#A461C7

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0F13

muted

#7E7E82

Preview Lab

Preview with #647DAD

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

Preview Lab → · Contrast checker → · Palette generator →