#2B538B#2B538B
#2B538B is a dark, moderate blue. Relative luminance 0.086; OKLCH L 44.2% C 0.103 H 257.2°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).
Color values
| HEX | #2B538B |
|---|---|
| RGB | rgb(43, 83, 139) |
| HSL | hsl(215, 53%, 36%) |
| HSV | hsv(215, 69%, 55%) |
| CMYK | cmyk(69.1%, 40.3%, 0%, 45.5%) |
| CIE-LAB | lab(35.13, 5.36, -35.31) |
| CIE-LCH | lch(35.13, 35.71, 278.64°) |
| OKLab | oklab(44.22% -0.0228 -0.1005) |
| OKLCH | oklch(44.22% 0.103 257.2) |
| XYZ | xyz(8.7480, 8.5633, 25.6129) |
| Luminance | 0.0856 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk Blue
#26538D
ΔE00 0.70
Light Navy Blue
#2E5A88
ΔE00 2.90
Light Navy
#155084
ΔE00 3.06
Denim Blue
#3B5B92
ΔE00 3.20
Cobalt (survey)
#1E488F
ΔE00 3.75
Dusky Blue
#475F94
ΔE00 5.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B538B #8B632B
analogous
#2B838B #2B538B #332B8B
triadic
#2B538B #8B2B53 #538B2B
tetradic
#2B538B #8B2B83 #8B632B #2B8B33
square
#2B538B #8B2B83 #8B632B #2B8B33
split-complementary
#2B538B #8B332B #838B2B
monochromatic
#0E1B2E #1D375C #2B538B #396FBA #628FCE
Accessibility & contrast
On white
7.74
#2B538B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.71
#2B538B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B538B
7.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B538B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B538B | 1.00 | 7.74 | 2.71 | 7.74 |
| #FFFFFF | 7.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3A578D
Deuteranopia (green-blind)
#2B4E8A
Tritanopia (blue-blind)
#006068
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #2b538b; /* rgb */ color: rgb(43, 83, 139); /* oklch */ color: oklch(44.2% 0.103 257.2);
Tailwind
colors: {
custom: {
50: '#7083ad',
500: '#2b538b',
950: '#000000',
},
}SCSS
$custom: #2b538b; $custom-light: #7083ad; $custom-dark: #000000;
JSON
{
"hex": "#2b538b",
"rgb": {
"r": 43,
"g": 83,
"b": 139
},
"hsl": {
"h": 215,
"s": 52.747,
"l": 35.686
},
"oklch": {
"l": 0.44216,
"c": 0.10309,
"h": 257.2
},
"luminance": 0.08564
}Semantic roles & 50–950 ramp
primary
#2B538B
secondary
#B5905D
accent
#A04CDC
background
#F7F7FA
surface
#EDEEF4
border
#C8C9CE
text
#080A10
muted
#7B7C7F