#2B5CA5#2B5CA5
#2B5CA5 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.0% C 0.129 H 258.4°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).
Color values
| HEX | #2B5CA5 |
|---|---|
| RGB | rgb(43, 92, 165) |
| HSL | hsl(216, 59%, 41%) |
| HSV | hsv(216, 74%, 65%) |
| CMYK | cmyk(73.9%, 44.2%, 0%, 35.3%) |
| CIE-LAB | lab(39.38, 9.38, -44.18) |
| CIE-LCH | lch(39.38, 45.16, 281.99°) |
| OKLab | oklab(48.02% -0.026 -0.1264) |
| OKLCH | oklch(48.02% 0.129 258.4) |
| XYZ | xyz(11.6125, 10.8832, 37.0787) |
| Luminance | 0.1088 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim Blue
#3B5B92
ΔE00 3.05
Denim
#1560BD
ΔE00 3.06
Light Navy Blue
#2E5A88
ΔE00 3.68
Dusk Blue
#26538D
ΔE00 4.01
Denim (survey)
#3B638C
ΔE00 4.17
Sapphire
#0F52BA
ΔE00 4.27
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B5CA5 #A5742B
analogous
#2B99A5 #2B5CA5 #372BA5
triadic
#2B5CA5 #A52B5C #5CA52B
tetradic
#2B5CA5 #A52B99 #A5742B #2BA537
square
#2B5CA5 #A52B99 #A5742B #2BA537
split-complementary
#2B5CA5 #A5372B #99A52B
monochromatic
#122644 #1E4174 #2B5CA5 #4079CD #719BDA
Accessibility & contrast
On white
6.61
#2B5CA5 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.18
#2B5CA5 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2B5CA5
6.61:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B5CA5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B5CA5 | 1.00 | 6.61 | 3.18 | 6.61 |
| #FFFFFF | 6.61 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.61 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3863A8
Deuteranopia (green-blind)
#2158A4
Tritanopia (blue-blind)
#006D78
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #2b5ca5; /* rgb */ color: rgb(43, 92, 165); /* oklch */ color: oklch(48.0% 0.129 258.4);
Tailwind
colors: {
custom: {
50: '#7589c0',
500: '#2b5ca5',
950: '#000000',
},
}SCSS
$custom: #2b5ca5; $custom-light: #7589c0; $custom-dark: #000000;
JSON
{
"hex": "#2b5ca5",
"rgb": {
"r": 43,
"g": 92,
"b": 165
},
"hsl": {
"h": 215.902,
"s": 58.654,
"l": 40.784
},
"oklch": {
"l": 0.4802,
"c": 0.12906,
"h": 258.4
},
"luminance": 0.10884
}Semantic roles & 50–950 ramp
primary
#2B5CA5
secondary
#C19E6B
accent
#A346E2
background
#F7F8FB
surface
#EEF0F7
border
#C9CBD0
text
#090B12
muted
#7B7C81