#64839B#64839B
#64839B is a mid, muted cyan. Relative luminance 0.213; OKLCH L 59.5% C 0.051 H 241.9°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #64839B |
|---|---|
| RGB | rgb(100, 131, 155) |
| HSL | hsl(206, 22%, 50%) |
| HSV | hsv(206, 35%, 61%) |
| CMYK | cmyk(35.5%, 15.5%, 0%, 39.2%) |
| CIE-LAB | lab(53.28, -4.82, -16.36) |
| CIE-LCH | lch(53.28, 17.06, 253.57°) |
| OKLab | oklab(59.52% -0.024 -0.045) |
| OKLCH | oklch(59.52% 0.051 241.9) |
| XYZ | xyz(19.2864, 21.3075, 34.1005) |
| Luminance | 0.2131 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyish Blue
#5E819D
ΔE00 1.60
Steel Blue (survey)
#5A7D9A
ΔE00 2.92
Slate Blue (survey)
#5B7C99
ΔE00 3.22
Grey Blue
#647D8E
ΔE00 3.35
Steel
#738595
ΔE00 4.07
Dusty Blue
#5A86AD
ΔE00 4.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#64839B #9B7C64
analogous
#649B98 #64839B #64679B
triadic
#64839B #9B6483 #839B64
tetradic
#64839B #98649B #9B7C64 #679B64
square
#64839B #98649B #9B7C64 #679B64
split-complementary
#64839B #9B6467 #9B9864
monochromatic
#344451 #4C6476 #64839B #89A1B3 #AEBFCB
Accessibility & contrast
On white
3.99
#64839B on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.26
#64839B on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #64839B
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##64839B | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##64839B | 1.00 | 3.99 | 5.26 | 5.26 |
| #FFFFFF | 3.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.26 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.26 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#79839C
Deuteranopia (green-blind)
#727D9B
Tritanopia (blue-blind)
#52898B
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #64839b; /* rgb */ color: rgb(100, 131, 155); /* oklch */ color: oklch(59.5% 0.051 241.9);
Tailwind
colors: {
custom: {
50: '#92a7b8',
500: '#64839b',
950: '#000000',
},
}SCSS
$custom: #64839b; $custom-light: #92a7b8; $custom-dark: #000000;
JSON
{
"hex": "#64839b",
"rgb": {
"r": 100,
"g": 131,
"b": 155
},
"hsl": {
"h": 206.182,
"s": 21.569,
"l": 50
},
"oklch": {
"l": 0.59524,
"c": 0.051,
"h": 241.9
},
"luminance": 0.21308
}Semantic roles & 50–950 ramp
primary
#64839B
secondary
#BAACA1
accent
#8F6ABE
background
#F9FAFB
surface
#F1F4F6
border
#CBCED0
text
#0D0F11
muted
#7E7F80