#2A556B#2A556B
#2A556B is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 42.9% C 0.060 H 232.8°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).
Color values
| HEX | #2A556B |
|---|---|
| RGB | rgb(42, 85, 107) |
| HSL | hsl(200, 44%, 29%) |
| HSV | hsv(200, 61%, 42%) |
| CMYK | cmyk(60.7%, 20.6%, 0%, 58%) |
| CIE-LAB | lab(34.09, -7.75, -17.16) |
| CIE-LCH | lch(34.09, 18.84, 245.69°) |
| OKLab | oklab(42.85% -0.0363 -0.0479) |
| OKLCH | oklch(42.85% 0.06 232.8) |
| XYZ | xyz(6.8562, 8.0501, 15.0996) |
| Luminance | 0.0805 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 5.41
Dark Grey Blue
#29465B
ΔE00 5.62
Deep Sea Blue
#015482
ΔE00 6.75
Ugly Blue
#31668A
ΔE00 7.41
Charcoal
#36454F
ΔE00 8.11
Light Navy Blue
#2E5A88
ΔE00 8.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A556B #6B402A
analogous
#2A6B61 #2A556B #2A356B
triadic
#2A556B #6B2A55 #556B2A
tetradic
#2A556B #612A6B #6B402A #356B2A
square
#2A556B #612A6B #6B402A #356B2A
split-complementary
#2A556B #6B2A35 #6B612A
monochromatic
#091116 #19323F #2A556B #3B7897 #5499BC
Accessibility & contrast
On white
8.05
#2A556B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.61
#2A556B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A556B
8.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A556B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A556B | 1.00 | 8.05 | 2.61 | 8.05 |
| #FFFFFF | 8.05 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.61 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.05 | 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: #2a556b; /* rgb */ color: rgb(42, 85, 107); /* oklch */ color: oklch(42.9% 0.060 232.8);
Tailwind
colors: {
custom: {
50: '#6a8495',
500: '#2a556b',
950: '#000000',
},
}SCSS
$custom: #2a556b; $custom-light: #6a8495; $custom-dark: #000000;
JSON
{
"hex": "#2a556b",
"rgb": {
"r": 42,
"g": 85,
"b": 107
},
"hsl": {
"h": 200.308,
"s": 43.624,
"l": 29.216
},
"oklch": {
"l": 0.4285,
"c": 0.06009,
"h": 232.8
},
"luminance": 0.08051
}Semantic roles & 50–950 ramp
primary
#2A556B
secondary
#9D6D54
accent
#7F54D3
background
#F6F8F9
surface
#EBEFF1
border
#C6CACB
text
#070B0D
muted
#7A7C7E