#647DBE#647DBE

#647DBE is a mid, moderate blue. Relative luminance 0.211; OKLCH L 59.8% C 0.104 H 267.3°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#647DBE
RGB	rgb(100, 125, 190)
HSL	hsl(223, 41%, 57%)
HSV	hsv(223, 47%, 75%)
CMYK	cmyk(47.4%, 34.2%, 0%, 25.5%)
CIE-LAB	lab(53.05, 8.80, -36.90)
CIE-LCH	lch(53.05, 37.94, 283.42°)
OKLab	oklab(59.83% -0.005 -0.1038)
OKLCH	oklch(59.83% 0.104 267.3)
XYZ	xyz(21.8804, 21.0929, 51.6236)
Luminance	0.2109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DBE #BEA564

analogous

#64AABE #647DBE #7864BE

triadic

#647DBE #BE647D #7DBE64

tetradic

#647DBE #BE64AA #BEA564 #64BE78

square

#647DBE #BE64AA #BEA564 #64BE78

split-complementary

#647DBE #BE7864 #AABE64

monochromatic

#324576 #445EA1 #647DBE #8FA1D0 #BAC5E2

Accessibility & contrast

On white

4.02

#647DBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#647DBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DBE

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DBE	#FFFFFF	#000000	##000000
##647DBE	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6583C1

Deuteranopia (green-blind)

#5C7BBD

Tritanopia (blue-blind)

#418B95

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #647dbe;
/* rgb */ color: rgb(100, 125, 190);
/* oklch */ color: oklch(59.8% 0.104 267.3);

Tailwind

colors: {
  custom: {
    50: '#95a2d2',
    500: '#647dbe',
    950: '#000000',
  },
}

SCSS

$custom: #647dbe;
$custom-light: #95a2d2;
$custom-dark: #000000;

JSON

{
  "hex": "#647dbe",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 190
  },
  "hsl": {
    "h": 223.333,
    "s": 40.909,
    "l": 56.863
  },
  "oklch": {
    "l": 0.59826,
    "c": 0.1039,
    "h": 267.3
  },
  "luminance": 0.21094
}

Semantic roles & 50–950 ramp

primary

#647DBE

secondary

#D1C7AD

accent

#AF57D1

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0F14

muted

#7E7E82

Preview Lab

Preview with #647DBE

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

Preview Lab → · Contrast checker → · Palette generator →