#647DC1#647DC1

#647DC1 is a mid, moderate blue. Relative luminance 0.212; OKLCH L 60.0% C 0.108 H 267.8°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#647DC1
RGB	rgb(100, 125, 193)
HSL	hsl(224, 43%, 57%)
HSV	hsv(224, 48%, 76%)
CMYK	cmyk(48.2%, 35.2%, 0%, 24.3%)
CIE-LAB	lab(53.20, 9.72, -38.39)
CIE-LCH	lch(53.20, 39.60, 284.21°)
OKLab	oklab(59.99% -0.0042 -0.1081)
OKLCH	oklch(59.99% 0.108 267.8)
XYZ	xyz(22.2117, 21.2254, 53.3682)
Luminance	0.2123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DC1 #C1A864

analogous

#64ABC1 #647DC1 #7A64C1

triadic

#647DC1 #C1647D #7DC164

tetradic

#647DC1 #C164AB #C1A864 #64C17A

square

#647DC1 #C164AB #C1A864 #64C17A

split-complementary

#647DC1 #C17A64 #ABC164

monochromatic

#31447A #425DA6 #647DC1 #90A2D2 #BBC6E4

Accessibility & contrast

On white

4.00

#647DC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#647DC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DC1

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DC1	#FFFFFF	#000000	##000000
##647DC1	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6383C4

Deuteranopia (green-blind)

#5A7BBF

Tritanopia (blue-blind)

#3E8B96

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #647dc1;
/* rgb */ color: rgb(100, 125, 193);
/* oklch */ color: oklch(60.0% 0.108 267.8);

Tailwind

colors: {
  custom: {
    50: '#95a2d4',
    500: '#647dc1',
    950: '#000000',
  },
}

SCSS

$custom: #647dc1;
$custom-light: #95a2d4;
$custom-dark: #000000;

JSON

{
  "hex": "#647dc1",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 193
  },
  "hsl": {
    "h": 223.871,
    "s": 42.857,
    "l": 57.451
  },
  "oklch": {
    "l": 0.59985,
    "c": 0.10819,
    "h": 267.8
  },
  "luminance": 0.21227
}

Semantic roles & 50–950 ramp

primary

#647DC1

secondary

#D3C9AE

accent

#B155D3

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0F14

muted

#7E7E83

Preview Lab

Preview with #647DC1

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

Preview Lab → · Contrast checker → · Palette generator →