#2B5CA4#2B5CA4
#2B5CA4 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.0% C 0.128 H 258.2°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).
Color values
| HEX | #2B5CA4 |
|---|---|
| RGB | rgb(43, 92, 164) |
| HSL | hsl(216, 58%, 41%) |
| HSV | hsv(216, 74%, 64%) |
| CMYK | cmyk(73.8%, 43.9%, 0%, 35.7%) |
| CIE-LAB | lab(39.32, 9.00, -43.68) |
| CIE-LCH | lch(39.32, 44.60, 281.64°) |
| OKLab | oklab(47.95% -0.0262 -0.125) |
| OKLCH | oklch(47.95% 0.128 258.2) |
| XYZ | xyz(11.5218, 10.8470, 36.6012) |
| Luminance | 0.1085 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim Blue
#3B5B92
ΔE00 2.99
Denim
#1560BD
ΔE00 3.14
Light Navy Blue
#2E5A88
ΔE00 3.57
Dusk Blue
#26538D
ΔE00 3.92
Denim (survey)
#3B638C
ΔE00 4.10
Sapphire
#0F52BA
ΔE00 4.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B5CA4 #A4732B
analogous
#2B98A4 #2B5CA4 #362BA4
triadic
#2B5CA4 #A42B5C #5CA42B
tetradic
#2B5CA4 #A42B98 #A4732B #2BA436
square
#2B5CA4 #A42B98 #A4732B #2BA436
split-complementary
#2B5CA4 #A4362B #98A42B
monochromatic
#122643 #1E4174 #2B5CA4 #3F79CD #709BD9
Accessibility & contrast
On white
6.63
#2B5CA4 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.17
#2B5CA4 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2B5CA4
6.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B5CA4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B5CA4 | 1.00 | 6.63 | 3.17 | 6.63 |
| #FFFFFF | 6.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.17 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3963A7
Deuteranopia (green-blind)
#2257A3
Tritanopia (blue-blind)
#006D78
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #2b5ca4; /* rgb */ color: rgb(43, 92, 164); /* oklch */ color: oklch(48.0% 0.128 258.2);
Tailwind
colors: {
custom: {
50: '#7589bf',
500: '#2b5ca4',
950: '#000000',
},
}SCSS
$custom: #2b5ca4; $custom-light: #7589bf; $custom-dark: #000000;
JSON
{
"hex": "#2b5ca4",
"rgb": {
"r": 43,
"g": 92,
"b": 164
},
"hsl": {
"h": 215.702,
"s": 58.454,
"l": 40.588
},
"oklch": {
"l": 0.47952,
"c": 0.12767,
"h": 258.2
},
"luminance": 0.10848
}Semantic roles & 50–950 ramp
primary
#2B5CA4
secondary
#C19E6A
accent
#A346E2
background
#F7F8FB
surface
#EEF0F7
border
#C9CBD0
text
#090B12
muted
#7B7C81