#2B5BBD#2B5BBD
#2B5BBD is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.5% C 0.163 H 262.5°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).
Color values
| HEX | #2B5BBD |
|---|---|
| RGB | rgb(43, 91, 189) |
| HSL | hsl(220, 63%, 45%) |
| HSV | hsv(220, 77%, 74%) |
| CMYK | cmyk(77.2%, 51.9%, 0%, 25.9%) |
| CIE-LAB | lab(40.68, 19.22, -56.21) |
| CIE-LCH | lch(40.68, 59.41, 288.88°) |
| OKLab | oklab(49.53% -0.0214 -0.1618) |
| OKLCH | oklch(49.53% 0.163 262.5) |
| XYZ | xyz(13.9194, 11.6683, 49.6529) |
| Luminance | 0.1167 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim
#1560BD
ΔE00 3.04
Sapphire
#0F52BA
ΔE00 3.09
Denim Blue
#3B5B92
ΔE00 5.35
French Blue
#436BAD
ΔE00 5.73
Azul
#1D5DEC
ΔE00 5.85
Dusky Blue
#475F94
ΔE00 6.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B5BBD #BD8D2B
analogous
#2BA4BD #2B5BBD #442BBD
triadic
#2B5BBD #BD2B5B #5BBD2B
tetradic
#2B5BBD #BD2BA4 #BD8D2B #2BBD44
square
#2B5BBD #BD2BA4 #BD8D2B #2BBD44
split-complementary
#2B5BBD #BD442B #A4BD2B
monochromatic
#142B59 #20438B #2B5BBD #4E7BD7 #80A0E2
Accessibility & contrast
On white
6.30
#2B5BBD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.33
#2B5BBD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2B5BBD
6.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B5BBD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B5BBD | 1.00 | 6.30 | 3.33 | 6.30 |
| #FFFFFF | 6.30 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.33 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.30 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1967C1
Deuteranopia (green-blind)
#005ABB
Tritanopia (blue-blind)
#007383
Achromatopsia (no color)
#606060
Design tokens & code
CSS
--color: #2b5bbd; /* rgb */ color: rgb(43, 91, 189); /* oklch */ color: oklch(49.5% 0.163 262.5);
Tailwind
colors: {
custom: {
50: '#7a88d2',
500: '#2b5bbd',
950: '#000000',
},
}SCSS
$custom: #2b5bbd; $custom-light: #7a88d2; $custom-dark: #000000;
JSON
{
"hex": "#2b5bbd",
"rgb": {
"r": 43,
"g": 91,
"b": 189
},
"hsl": {
"h": 220.274,
"s": 62.931,
"l": 45.49
},
"oklch": {
"l": 0.49526,
"c": 0.16326,
"h": 262.5
},
"luminance": 0.1167
}Semantic roles & 50–950 ramp
primary
#2B5BBD
secondary
#CBB079
accent
#B042E6
background
#F8F8FC
surface
#EFEFF9
border
#CACAD2
text
#0B0B14
muted
#7C7C82