#2B508B#2B508B
#2B508B is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.5% C 0.107 H 259.4°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).
Color values
| HEX | #2B508B |
|---|---|
| RGB | rgb(43, 80, 139) |
| HSL | hsl(217, 53%, 36%) |
| HSV | hsv(217, 69%, 55%) |
| CMYK | cmyk(69.1%, 42.4%, 0%, 45.5%) |
| CIE-LAB | lab(34.22, 7.34, -36.76) |
| CIE-LCH | lch(34.22, 37.48, 281.29°) |
| OKLab | oklab(43.51% -0.0197 -0.1048) |
| OKLCH | oklch(43.51% 0.107 259.4) |
| XYZ | xyz(8.5235, 8.1141, 25.5381) |
| Luminance | 0.0811 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.62
Cobalt (survey)
#1E488F
ΔE00 2.75
Light Navy
#155084
ΔE00 3.57
Denim Blue
#3B5B92
ΔE00 3.83
Light Navy Blue
#2E5A88
ΔE00 4.03
Twilight Blue
#0A437A
ΔE00 5.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B508B #8B662B
analogous
#2B808B #2B508B #362B8B
triadic
#2B508B #8B2B50 #508B2B
tetradic
#2B508B #8B2B80 #8B662B #2B8B36
square
#2B508B #8B2B80 #8B662B #2B8B36
split-complementary
#2B508B #8B362B #808B2B
monochromatic
#0E1A2E #1D355C #2B508B #396BBA #628CCE
Accessibility & contrast
On white
8.01
#2B508B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.62
#2B508B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B508B
8.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B508B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B508B | 1.00 | 8.01 | 2.62 | 8.01 |
| #FFFFFF | 8.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#35558D
Deuteranopia (green-blind)
#264C8A
Tritanopia (blue-blind)
#005E66
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #2b508b; /* rgb */ color: rgb(43, 80, 139); /* oklch */ color: oklch(43.5% 0.107 259.4);
Tailwind
colors: {
custom: {
50: '#7080ad',
500: '#2b508b',
950: '#000000',
},
}SCSS
$custom: #2b508b; $custom-light: #7080ad; $custom-dark: #000000;
JSON
{
"hex": "#2b508b",
"rgb": {
"r": 43,
"g": 80,
"b": 139
},
"hsl": {
"h": 216.875,
"s": 52.747,
"l": 35.686
},
"oklch": {
"l": 0.4351,
"c": 0.10666,
"h": 259.4
},
"luminance": 0.08115
}Semantic roles & 50–950 ramp
primary
#2B508B
secondary
#B5935D
accent
#A44CDC
background
#F7F7FA
surface
#EDEEF4
border
#C8C9CE
text
#080A10
muted
#7B7C7F