#647AA2#647AA2

#647AA2 is a mid, moderate blue. Relative luminance 0.192; OKLCH L 57.8% C 0.067 H 262.1°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#647AA2
RGB	rgb(100, 122, 162)
HSL	hsl(219, 25%, 51%)
HSV	hsv(219, 38%, 64%)
CMYK	cmyk(38.3%, 24.7%, 0%, 36.5%)
CIE-LAB	lab(50.96, 2.36, -23.99)
CIE-LCH	lch(50.96, 24.10, 275.61°)
OKLab	oklab(57.79% -0.0092 -0.0666)
OKLCH	oklch(57.79% 0.067 262.1)
XYZ	xyz(18.7346, 19.2361, 36.9012)
Luminance	0.1924 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647AA2 #A28C64

analogous

#6499A2 #647AA2 #6D64A2

triadic

#647AA2 #A2647A #7AA264

tetradic

#647AA2 #A26499 #A28C64 #64A26D

square

#647AA2 #A26499 #A28C64 #64A26D

split-complementary

#647AA2 #A26D64 #99A264

monochromatic

#344157 #4B5D7E #647AA2 #8A9BB9 #B1BCD0

Accessibility & contrast

On white

4.33

#647AA2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#647AA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647AA2

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647AA2	#FFFFFF	#000000	##000000
##647AA2	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7DA4

Deuteranopia (green-blind)

#6677A1

Tritanopia (blue-blind)

#508288

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #647aa2;
/* rgb */ color: rgb(100, 122, 162);
/* oklch */ color: oklch(57.8% 0.067 262.1);

Tailwind

colors: {
  custom: {
    50: '#92a0bd',
    500: '#647aa2',
    950: '#000000',
  },
}

SCSS

$custom: #647aa2;
$custom-light: #92a0bd;
$custom-dark: #000000;

JSON

{
  "hex": "#647aa2",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 162
  },
  "hsl": {
    "h": 218.71,
    "s": 25,
    "l": 51.373
  },
  "oklch": {
    "l": 0.5779,
    "c": 0.06722,
    "h": 262.1
  },
  "luminance": 0.19237
}

Semantic roles & 50–950 ramp

primary

#647AA2

secondary

#BFB5A3

accent

#A166C1

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0E12

muted

#7E7E81

Preview Lab

Preview with #647AA2

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

Preview Lab → · Contrast checker → · Palette generator →