#2B5DA4#2B5DA4
#2B5DA4 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.2% C 0.127 H 257.6°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).
Color values
| HEX | #2B5DA4 |
|---|---|
| RGB | rgb(43, 93, 164) |
| HSL | hsl(215, 58%, 41%) |
| HSV | hsv(215, 74%, 64%) |
| CMYK | cmyk(73.8%, 43.3%, 0%, 35.7%) |
| CIE-LAB | lab(39.62, 8.35, -43.21) |
| CIE-LCH | lch(39.62, 44.01, 280.94°) |
| OKLab | oklab(48.18% -0.0271 -0.1236) |
| OKLCH | oklch(48.18% 0.127 257.6) |
| XYZ | xyz(11.6090, 11.0214, 36.6303) |
| Luminance | 0.1102 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim
#1560BD
ΔE00 2.96
Denim Blue
#3B5B92
ΔE00 3.13
Light Navy Blue
#2E5A88
ΔE00 3.57
Denim (survey)
#3B638C
ΔE00 3.90
Dusk Blue
#26538D
ΔE00 4.15
Sapphire
#0F52BA
ΔE00 4.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B5DA4 #A4722B
analogous
#2B99A4 #2B5DA4 #362BA4
triadic
#2B5DA4 #A42B5D #5DA42B
tetradic
#2B5DA4 #A42B99 #A4722B #2BA436
square
#2B5DA4 #A42B99 #A4722B #2BA436
split-complementary
#2B5DA4 #A4362B #99A42B
monochromatic
#122643 #1E4274 #2B5DA4 #3F7ACD #709CD9
Accessibility & contrast
On white
6.55
#2B5DA4 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.20
#2B5DA4 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2B5DA4
6.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B5DA4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B5DA4 | 1.00 | 6.55 | 3.20 | 6.55 |
| #FFFFFF | 6.55 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.20 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.55 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3A63A7
Deuteranopia (green-blind)
#2558A3
Tritanopia (blue-blind)
#006E78
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #2b5da4; /* rgb */ color: rgb(43, 93, 164); /* oklch */ color: oklch(48.2% 0.127 257.6);
Tailwind
colors: {
custom: {
50: '#748abf',
500: '#2b5da4',
950: '#000000',
},
}SCSS
$custom: #2b5da4; $custom-light: #748abf; $custom-dark: #000000;
JSON
{
"hex": "#2b5da4",
"rgb": {
"r": 43,
"g": 93,
"b": 164
},
"hsl": {
"h": 215.207,
"s": 58.454,
"l": 40.588
},
"oklch": {
"l": 0.48181,
"c": 0.1265,
"h": 257.6
},
"luminance": 0.11023
}Semantic roles & 50–950 ramp
primary
#2B5DA4
secondary
#C19D6A
accent
#A146E2
background
#F7F8FB
surface
#EEF0F7
border
#C9CBD0
text
#090B12
muted
#7B7C81