#2B537B#2B537B
#2B537B is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.2% C 0.081 H 250.2°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).
Color values
| HEX | #2B537B |
|---|---|
| RGB | rgb(43, 83, 123) |
| HSL | hsl(210, 48%, 33%) |
| HSV | hsv(210, 65%, 48%) |
| CMYK | cmyk(65%, 32.5%, 0%, 51.8%) |
| CIE-LAB | lab(34.25, -0.59, -26.86) |
| CIE-LCH | lch(34.25, 26.87, 268.73°) |
| OKLab | oklab(43.24% -0.0273 -0.0759) |
| OKLCH | oklch(43.24% 0.081 250.2) |
| XYZ | xyz(7.6634, 8.1294, 19.9003) |
| Luminance | 0.0813 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy
#155084
ΔE00 2.41
Light Navy Blue
#2E5A88
ΔE00 2.69
Dusk Blue
#26538D
ΔE00 2.75
Deep Sea Blue
#015482
ΔE00 3.81
Denim Blue
#3B5B92
ΔE00 4.87
Prussian Blue
#004577
ΔE00 5.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B537B #7B532B
analogous
#2B7B7B #2B537B #2B2B7B
triadic
#2B537B #7B2B53 #537B2B
tetradic
#2B537B #7B2B7B #7B532B #2B7B2B
square
#2B537B #7B2B7B #7B532B #2B7B2B
split-complementary
#2B537B #7B2B2B #7B7B2B
monochromatic
#0B1620 #1B344E #2B537B #3B72A8 #5B90C6
Accessibility & contrast
On white
8.00
#2B537B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#2B537B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B537B
8.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B537B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B537B | 1.00 | 8.00 | 2.63 | 8.00 |
| #FFFFFF | 8.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#42557D
Deuteranopia (green-blind)
#374D7A
Tritanopia (blue-blind)
#005C61
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #2b537b; /* rgb */ color: rgb(43, 83, 123); /* oklch */ color: oklch(43.2% 0.081 250.2);
Tailwind
colors: {
custom: {
50: '#6d83a1',
500: '#2b537b',
950: '#000000',
},
}SCSS
$custom: #2b537b; $custom-light: #6d83a1; $custom-dark: #000000;
JSON
{
"hex": "#2b537b",
"rgb": {
"r": 43,
"g": 83,
"b": 123
},
"hsl": {
"h": 210,
"s": 48.193,
"l": 32.549
},
"oklch": {
"l": 0.43242,
"c": 0.08063,
"h": 250.2
},
"luminance": 0.0813
}Semantic roles & 50–950 ramp
primary
#2B537B
secondary
#AB8156
accent
#9450D8
background
#F6F7F9
surface
#ECEEF2
border
#C7C9CC
text
#070A0F
muted
#7A7C7E