#646A86#646A86

#646A86 is a mid, muted blue. Relative luminance 0.147; OKLCH L 53.0% C 0.045 H 275.3°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#646A86
RGB	rgb(100, 106, 134)
HSL	hsl(229, 15%, 46%)
HSV	hsv(229, 25%, 53%)
CMYK	cmyk(25.4%, 20.9%, 0%, 47.5%)
CIE-LAB	lab(45.27, 4.35, -16.20)
CIE-LCH	lch(45.27, 16.77, 285.02°)
OKLab	oklab(52.98% 0.0042 -0.0444)
OKLCH	oklch(52.98% 0.045 275.3)
XYZ	xyz(14.7115, 14.7383, 24.6193)
Luminance	0.1474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646A86 #868064

analogous

#647B86 #646A86 #6F6486

triadic

#646A86 #86646A #6A8664

tetradic

#646A86 #86647B #868064 #64866F

square

#646A86 #86647B #868064 #64866F

split-complementary

#646A86 #866F64 #7B8664

monochromatic

#303340 #4A4E63 #646A86 #848AA3 #A7ABBD

Accessibility & contrast

On white

5.32

#646A86 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#646A86 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646A86

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646A86	#FFFFFF	#000000	##FFFFFF
##646A86	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#626D87

Deuteranopia (green-blind)

#606A85

Tritanopia (blue-blind)

#5C6F73

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #646a86;
/* rgb */ color: rgb(100, 106, 134);
/* oklch */ color: oklch(53.0% 0.045 275.3);

Tailwind

colors: {
  custom: {
    50: '#9094a9',
    500: '#646a86',
    950: '#000000',
  },
}

SCSS

$custom: #646a86;
$custom-light: #9094a9;
$custom-dark: #000000;

JSON

{
  "hex": "#646a86",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 134
  },
  "hsl": {
    "h": 229.412,
    "s": 14.53,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52977,
    "c": 0.04462,
    "h": 275.3
  },
  "luminance": 0.14739
}

Semantic roles & 50–950 ramp

primary

#646A86

secondary

#ACA99A

accent

#AB70B7

background

#F8F9FA

surface

#F0F1F4

border

#CBCBCE

text

#0C0D0F

muted

#7D7E7F

Preview Lab

Preview with #646A86

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

Preview Lab → · Contrast checker → · Palette generator →