#2B5CA3#2B5CA3
#2B5CA3 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 47.9% C 0.126 H 257.9°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).
Color values
| HEX | #2B5CA3 |
|---|---|
| RGB | rgb(43, 92, 163) |
| HSL | hsl(216, 58%, 40%) |
| HSV | hsv(216, 74%, 64%) |
| CMYK | cmyk(73.6%, 43.6%, 0%, 36.1%) |
| CIE-LAB | lab(39.26, 8.62, -43.18) |
| CIE-LCH | lch(39.26, 44.03, 281.29°) |
| OKLab | oklab(47.89% -0.0264 -0.1235) |
| OKLCH | oklch(47.89% 0.126 257.9) |
| XYZ | xyz(11.4319, 10.8110, 36.1275) |
| Luminance | 0.1081 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim Blue
#3B5B92
ΔE00 2.94
Denim
#1560BD
ΔE00 3.22
Light Navy Blue
#2E5A88
ΔE00 3.45
Dusk Blue
#26538D
ΔE00 3.84
Denim (survey)
#3B638C
ΔE00 4.04
Sapphire
#0F52BA
ΔE00 4.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B5CA3 #A3722B
analogous
#2B98A3 #2B5CA3 #362BA3
triadic
#2B5CA3 #A32B5C #5CA32B
tetradic
#2B5CA3 #A32B98 #A3722B #2BA336
square
#2B5CA3 #A32B98 #A3722B #2BA336
split-complementary
#2B5CA3 #A3362B #98A32B
monochromatic
#112542 #1E4173 #2B5CA3 #3F79CC #6F9BD9
Accessibility & contrast
On white
6.64
#2B5CA3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.16
#2B5CA3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2B5CA3
6.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B5CA3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B5CA3 | 1.00 | 6.64 | 3.16 | 6.64 |
| #FFFFFF | 6.64 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.16 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.64 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3962A6
Deuteranopia (green-blind)
#2457A2
Tritanopia (blue-blind)
#006D77
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #2b5ca3; /* rgb */ color: rgb(43, 92, 163); /* oklch */ color: oklch(47.9% 0.126 257.9);
Tailwind
colors: {
custom: {
50: '#7489bf',
500: '#2b5ca3',
950: '#000000',
},
}SCSS
$custom: #2b5ca3; $custom-light: #7489bf; $custom-dark: #000000;
JSON
{
"hex": "#2b5ca3",
"rgb": {
"r": 43,
"g": 92,
"b": 163
},
"hsl": {
"h": 215.5,
"s": 58.252,
"l": 40.392
},
"oklch": {
"l": 0.47885,
"c": 0.12629,
"h": 257.9
},
"luminance": 0.10812
}Semantic roles & 50–950 ramp
primary
#2B5CA3
secondary
#C09D6A
accent
#A246E1
background
#F7F8FB
surface
#EEF0F7
border
#C9CBD0
text
#090B12
muted
#7B7C81