#2B4DA1#2B4DA1
#2B4DA1 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.4% C 0.142 H 264.7°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4DA1 |
|---|---|
| RGB | rgb(43, 77, 161) |
| HSL | hsl(223, 58%, 40%) |
| HSV | hsv(223, 73%, 63%) |
| CMYK | cmyk(73.3%, 52.2%, 0%, 36.9%) |
| CIE-LAB | lab(34.79, 17.76, -49.17) |
| CIE-LCH | lch(34.79, 52.28, 289.86°) |
| OKLab | oklab(44.41% -0.0132 -0.1414) |
| OKLCH | oklch(44.41% 0.142 264.7) |
| XYZ | xyz(10.0809, 8.3935, 34.8001) |
| Luminance | 0.0839 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.88
Cobalt (survey)
#1E488F
ΔE00 3.21
Sapphire
#0F52BA
ΔE00 3.78
Dusk Blue
#26538D
ΔE00 4.39
Denim Blue
#3B5B92
ΔE00 5.23
Light Navy
#155084
ΔE00 6.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4DA1 #A17F2B
analogous
#2B88A1 #2B4DA1 #442BA1
triadic
#2B4DA1 #A12B4D #4DA12B
tetradic
#2B4DA1 #A12B88 #A17F2B #2BA144
square
#2B4DA1 #A12B88 #A17F2B #2BA144
split-complementary
#2B4DA1 #A1442B #88A12B
monochromatic
#111F40 #1E3671 #2B4DA1 #3E67CB #6E8DD8
Accessibility & contrast
On white
7.84
#2B4DA1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.68
#2B4DA1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4DA1
7.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4DA1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4DA1 | 1.00 | 7.84 | 2.68 | 7.84 |
| #FFFFFF | 7.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.68 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1758A4
Deuteranopia (green-blind)
#004D9F
Tritanopia (blue-blind)
#00616F
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #2b4da1; /* rgb */ color: rgb(43, 77, 161); /* oklch */ color: oklch(44.4% 0.142 264.7);
Tailwind
colors: {
custom: {
50: '#747ebd',
500: '#2b4da1',
950: '#000000',
},
}SCSS
$custom: #2b4da1; $custom-light: #747ebd; $custom-dark: #000000;
JSON
{
"hex": "#2b4da1",
"rgb": {
"r": 43,
"g": 77,
"b": 161
},
"hsl": {
"h": 222.712,
"s": 57.843,
"l": 40
},
"oklch": {
"l": 0.44412,
"c": 0.14201,
"h": 264.7
},
"luminance": 0.08395
}Semantic roles & 50–950 ramp
primary
#2B4DA1
secondary
#BFA669
accent
#B547E1
background
#F7F7FB
surface
#EEEEF7
border
#C9C9D0
text
#090912
muted
#7B7B81