#64697B#64697B

#64697B is a mid, muted blue. Relative luminance 0.142; OKLCH L 52.3% C 0.029 H 273.1°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#64697B
RGB	rgb(100, 105, 123)
HSL	hsl(227, 10%, 44%)
HSV	hsv(227, 19%, 48%)
CMYK	cmyk(18.7%, 14.6%, 0%, 51.8%)
CIE-LAB	lab(44.58, 2.20, -10.65)
CIE-LCH	lch(44.58, 10.88, 281.65°)
OKLab	oklab(52.3% 0.0016 -0.0289)
OKLCH	oklch(52.3% 0.029 273.1)
XYZ	xyz(13.8814, 14.2423, 20.7527)
Luminance	0.1424 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64697B #7B7664

analogous

#64747B #64697B #6A647B

triadic

#64697B #7B6469 #697B64

tetradic

#64697B #7B6474 #7B7664 #647B6A

square

#64697B #7B6474 #7B7664 #647B6A

split-complementary

#64697B #7B6A64 #747B64

monochromatic

#2D2F37 #494C59 #64697B #82889A #A4A8B5

Accessibility & contrast

On white

5.46

#64697B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#64697B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64697B

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64697B	#FFFFFF	#000000	##FFFFFF
##64697B	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#646A7C

Deuteranopia (green-blind)

#62697B

Tritanopia (blue-blind)

#5F6C6F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #64697b;
/* rgb */ color: rgb(100, 105, 123);
/* oklch */ color: oklch(52.3% 0.029 273.1);

Tailwind

colors: {
  custom: {
    50: '#9093a1',
    500: '#64697b',
    950: '#000000',
  },
}

SCSS

$custom: #64697b;
$custom-light: #9093a1;
$custom-dark: #000000;

JSON

{
  "hex": "#64697b",
  "rgb": {
    "r": 100,
    "g": 105,
    "b": 123
  },
  "hsl": {
    "h": 226.957,
    "s": 10.314,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52299,
    "c": 0.02898,
    "h": 273.1
  },
  "luminance": 0.14243
}

Semantic roles & 50–950 ramp

primary

#64697B

secondary

#A4A196

accent

#A675B3

background

#F8F9F9

surface

#F0F1F2

border

#CBCBCC

text

#0C0D0E

muted

#7D7E7E

Preview Lab

Preview with #64697B

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

Preview Lab → · Contrast checker → · Palette generator →