#2B556B#2B556B
#2B556B is a dark, muted cyan. Relative luminance 0.081; OKLCH L 42.9% C 0.059 H 233.3°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).
Color values
| HEX | #2B556B |
|---|---|
| RGB | rgb(43, 85, 107) |
| HSL | hsl(201, 43%, 29%) |
| HSV | hsv(201, 60%, 42%) |
| CMYK | cmyk(59.8%, 20.6%, 0%, 58%) |
| CIE-LAB | lab(34.13, -7.53, -17.09) |
| CIE-LCH | lch(34.13, 18.68, 246.23°) |
| OKLab | oklab(42.9% -0.0355 -0.0477) |
| OKLCH | oklch(42.9% 0.059 233.3) |
| XYZ | xyz(6.8976, 8.0715, 15.1015) |
| Luminance | 0.0807 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 5.34
Dark Grey Blue
#29465B
ΔE00 5.54
Deep Sea Blue
#015482
ΔE00 6.69
Ugly Blue
#31668A
ΔE00 7.35
Charcoal
#36454F
ΔE00 8.02
Light Navy Blue
#2E5A88
ΔE00 8.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B556B #6B412B
analogous
#2B6B61 #2B556B #2B356B
triadic
#2B556B #6B2B55 #556B2B
tetradic
#2B556B #612B6B #6B412B #356B2B
square
#2B556B #612B6B #6B412B #356B2B
split-complementary
#2B556B #6B2B35 #6B612B
monochromatic
#091116 #19323F #2B556B #3D7897 #5698BB
Accessibility & contrast
On white
8.03
#2B556B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.61
#2B556B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B556B
8.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B556B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B556B | 1.00 | 8.03 | 2.61 | 8.03 |
| #FFFFFF | 8.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.61 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4A546C
Deuteranopia (green-blind)
#414D6B
Tritanopia (blue-blind)
#005B5C
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #2b556b; /* rgb */ color: rgb(43, 85, 107); /* oklch */ color: oklch(42.9% 0.059 233.3);
Tailwind
colors: {
custom: {
50: '#6a8495',
500: '#2b556b',
950: '#000000',
},
}SCSS
$custom: #2b556b; $custom-light: #6a8495; $custom-dark: #000000;
JSON
{
"hex": "#2b556b",
"rgb": {
"r": 43,
"g": 85,
"b": 107
},
"hsl": {
"h": 200.625,
"s": 42.667,
"l": 29.412
},
"oklch": {
"l": 0.42897,
"c": 0.05943,
"h": 233.3
},
"luminance": 0.08072
}Semantic roles & 50–950 ramp
primary
#2B556B
secondary
#9D6E55
accent
#8055D2
background
#F6F8F9
surface
#EBEFF1
border
#C6CACB
text
#070B0D
muted
#7A7C7E