#2B536B#2B536B
#2B536B is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.4% C 0.060 H 236.9°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).
Color values
| HEX | #2B536B |
|---|---|
| RGB | rgb(43, 83, 107) |
| HSL | hsl(203, 43%, 29%) |
| HSV | hsv(203, 60%, 42%) |
| CMYK | cmyk(59.8%, 22.4%, 0%, 58%) |
| CIE-LAB | lab(33.48, -6.30, -18.10) |
| CIE-LCH | lch(33.48, 19.16, 250.82°) |
| OKLab | oklab(42.38% -0.033 -0.0505) |
| OKLCH | oklch(42.38% 0.06 236.9) |
| XYZ | xyz(6.7424, 7.7610, 15.0498) |
| Luminance | 0.0776 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 4.22
Dark Grey Blue
#29465B
ΔE00 4.61
Deep Sea Blue
#015482
ΔE00 5.69
Light Navy
#155084
ΔE00 6.87
Light Navy Blue
#2E5A88
ΔE00 7.05
Ugly Blue
#31668A
ΔE00 7.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B536B #6B432B
analogous
#2B6B63 #2B536B #2B336B
triadic
#2B536B #6B2B53 #536B2B
tetradic
#2B536B #632B6B #6B432B #336B2B
square
#2B536B #632B6B #6B432B #336B2B
split-complementary
#2B536B #6B2B33 #6B632B
monochromatic
#091116 #19313F #2B536B #3D7597 #5695BB
Accessibility & contrast
On white
8.23
#2B536B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.55
#2B536B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B536B
8.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B536B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B536B | 1.00 | 8.23 | 2.55 | 8.23 |
| #FFFFFF | 8.23 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.55 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.23 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#48526C
Deuteranopia (green-blind)
#3F4C6B
Tritanopia (blue-blind)
#00595B
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #2b536b; /* rgb */ color: rgb(43, 83, 107); /* oklch */ color: oklch(42.4% 0.060 236.9);
Tailwind
colors: {
custom: {
50: '#6a8395',
500: '#2b536b',
950: '#000000',
},
}SCSS
$custom: #2b536b; $custom-light: #6a8395; $custom-dark: #000000;
JSON
{
"hex": "#2b536b",
"rgb": {
"r": 43,
"g": 83,
"b": 107
},
"hsl": {
"h": 202.5,
"s": 42.667,
"l": 29.412
},
"oklch": {
"l": 0.4238,
"c": 0.06035,
"h": 236.9
},
"luminance": 0.07762
}Semantic roles & 50–950 ramp
primary
#2B536B
secondary
#9D7055
accent
#8455D2
background
#F6F8F9
surface
#EBEFF1
border
#C6CACB
text
#070A0D
muted
#7A7C7E