#42555F#42555F
#42555F is a dark, muted cyan. Relative luminance 0.085; OKLCH L 43.8% C 0.029 H 231.2°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).
Color values
| HEX | #42555F |
|---|---|
| RGB | rgb(66, 85, 95) |
| HSL | hsl(201, 18%, 32%) |
| HSV | hsv(201, 31%, 37%) |
| CMYK | cmyk(30.5%, 10.5%, 0%, 62.7%) |
| CIE-LAB | lab(34.97, -4.65, -8.18) |
| CIE-LCH | lch(34.97, 9.41, 240.41°) |
| OKLab | oklab(43.75% -0.018 -0.0223) |
| OKLCH | oklch(43.75% 0.029 231.2) |
| XYZ | xyz(7.5602, 8.4812, 12.0629) |
| Luminance | 0.0848 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Gunmetal (survey)
#536267
ΔE00 5.40
Charcoal
#36454F
ΔE00 5.42
Slate
#516572
ΔE00 5.89
Slate Grey
#59656D
ΔE00 6.64
Dark Grey Blue
#29465B
ΔE00 7.24
Dark Slate Blue
#214761
ΔE00 8.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#42555F #5F4C42
analogous
#425F5B #42555F #42475F
triadic
#42555F #5F4255 #555F42
tetradic
#42555F #5B425F #5F4C42 #475F42
square
#42555F #5B425F #5F4C42 #475F42
split-complementary
#42555F #5F4247 #5F5B42
monochromatic
#101417 #29353B #42555F #5B7583 #7994A2
Accessibility & contrast
On white
7.79
#42555F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.70
#42555F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #42555F
7.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##42555F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##42555F | 1.00 | 7.79 | 2.70 | 7.79 |
| #FFFFFF | 7.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.70 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#505460
Deuteranopia (green-blind)
#4C515F
Tritanopia (blue-blind)
#395858
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #42555f; /* rgb */ color: rgb(66, 85, 95); /* oklch */ color: oklch(43.8% 0.029 231.2);
Tailwind
colors: {
custom: {
50: '#77848c',
500: '#42555f',
950: '#000000',
},
}SCSS
$custom: #42555f; $custom-light: #77848c; $custom-dark: #000000;
JSON
{
"hex": "#42555f",
"rgb": {
"r": 66,
"g": 85,
"b": 95
},
"hsl": {
"h": 200.69,
"s": 18.012,
"l": 31.569
},
"oklch": {
"l": 0.43751,
"c": 0.02869,
"h": 231.2
},
"luminance": 0.08481
}Semantic roles & 50–950 ramp
primary
#42555F
secondary
#8E796E
accent
#886DBB
background
#F7F8F8
surface
#EDEFF0
border
#C8CACB
text
#080B0C
muted
#7B7C7D