#64687E#64687E

#64687E is a mid, muted blue. Relative luminance 0.141; OKLCH L 52.2% C 0.035 H 277.0°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#64687E
RGB	rgb(100, 104, 126)
HSL	hsl(231, 12%, 44%)
HSV	hsv(231, 21%, 49%)
CMYK	cmyk(20.6%, 17.5%, 0%, 50.6%)
CIE-LAB	lab(44.40, 3.53, -12.73)
CIE-LCH	lch(44.40, 13.21, 285.52°)
OKLab	oklab(52.2% 0.0043 -0.0347)
OKLCH	oklch(52.2% 0.035 277)
XYZ	xyz(13.9708, 14.1161, 21.7232)
Luminance	0.1412 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64687E #7E7A64

analogous

#64757E #64687E #6D647E

triadic

#64687E #7E6468 #687E64

tetradic

#64687E #7E6475 #7E7A64 #647E6D

square

#64687E #7E6475 #7E7A64 #647E6D

split-complementary

#64687E #7E6D64 #757E64

monochromatic

#2E303A #494C5C #64687E #83879C #A5A8B7

Accessibility & contrast

On white

5.49

#64687E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#64687E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64687E

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64687E	#FFFFFF	#000000	##FFFFFF
##64687E	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#626A7F

Deuteranopia (green-blind)

#61687D

Tritanopia (blue-blind)

#5E6C6F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #64687e;
/* rgb */ color: rgb(100, 104, 126);
/* oklch */ color: oklch(52.2% 0.035 277.0);

Tailwind

colors: {
  custom: {
    50: '#9093a3',
    500: '#64687e',
    950: '#000000',
  },
}

SCSS

$custom: #64687e;
$custom-light: #9093a3;
$custom-dark: #000000;

JSON

{
  "hex": "#64687e",
  "rgb": {
    "r": 100,
    "g": 104,
    "b": 126
  },
  "hsl": {
    "h": 230.769,
    "s": 11.504,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52195,
    "c": 0.03496,
    "h": 277
  },
  "luminance": 0.14116
}

Semantic roles & 50–950 ramp

primary

#64687E

secondary

#A7A497

accent

#AA73B4

background

#F8F9FA

surface

#F0F1F3

border

#CBCBCD

text

#0C0D0F

muted

#7D7E7F

Preview Lab

Preview with #64687E

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

Preview Lab → · Contrast checker → · Palette generator →