#2B596C#2B596C
#2B596C is a dark, muted cyan. Relative luminance 0.087; OKLCH L 44.0% C 0.059 H 227.4°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).
Color values
| HEX | #2B596C |
|---|---|
| RGB | rgb(43, 89, 108) |
| HSL | hsl(198, 43%, 30%) |
| HSV | hsv(198, 60%, 42%) |
| CMYK | cmyk(60.2%, 17.6%, 0%, 57.6%) |
| CIE-LAB | lab(35.48, -9.61, -15.64) |
| CIE-LCH | lch(35.48, 18.36, 238.44°) |
| OKLab | oklab(43.98% -0.04 -0.0435) |
| OKLCH | oklch(43.98% 0.059 227.4) |
| XYZ | xyz(7.2744, 8.7404, 15.4882) |
| Luminance | 0.0874 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 7.54
Dark Grey Blue
#29465B
ΔE00 7.57
Petrol
#005F6A
ΔE00 7.65
Ugly Blue
#31668A
ΔE00 7.75
Slate
#516572
ΔE00 7.84
Deep Sea Blue
#015482
ΔE00 8.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B596C #6C3E2B
analogous
#2B6C5E #2B596C #2B396C
triadic
#2B596C #6C2B59 #596C2B
tetradic
#2B596C #5E2B6C #6C3E2B #396C2B
square
#2B596C #5E2B6C #6C3E2B #396C2B
split-complementary
#2B596C #6C2B39 #6C5E2B
monochromatic
#091216 #1A3540 #2B596C #3C7D98 #569EBC
Accessibility & contrast
On white
7.64
#2B596C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.75
#2B596C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B596C
7.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B596C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B596C | 1.00 | 7.64 | 2.75 | 7.64 |
| #FFFFFF | 7.64 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.64 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F576D
Deuteranopia (green-blind)
#46506C
Tritanopia (blue-blind)
#005F5F
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #2b596c; /* rgb */ color: rgb(43, 89, 108); /* oklch */ color: oklch(44.0% 0.059 227.4);
Tailwind
colors: {
custom: {
50: '#6b8896',
500: '#2b596c',
950: '#000000',
},
}SCSS
$custom: #2b596c; $custom-light: #6b8896; $custom-dark: #000000;
JSON
{
"hex": "#2b596c",
"rgb": {
"r": 43,
"g": 89,
"b": 108
},
"hsl": {
"h": 197.538,
"s": 43.046,
"l": 29.608
},
"oklch": {
"l": 0.43984,
"c": 0.05916,
"h": 227.4
},
"luminance": 0.08741
}Semantic roles & 50–950 ramp
primary
#2B596C
secondary
#9E6A55
accent
#7A55D3
background
#F6F8F9
surface
#EBEFF1
border
#C6CACB
text
#070B0D
muted
#7A7C7E