#2B4DAB#2B4DAB
#2B4DAB is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.2% C 0.156 H 265.5°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4DAB |
|---|---|
| RGB | rgb(43, 77, 171) |
| HSL | hsl(224, 60%, 42%) |
| HSV | hsv(224, 75%, 67%) |
| CMYK | cmyk(74.9%, 55%, 0%, 32.9%) |
| CIE-LAB | lab(35.52, 21.59, -53.97) |
| CIE-LCH | lch(35.52, 58.13, 291.80°) |
| OKLab | oklab(45.2% -0.0123 -0.1555) |
| OKLCH | oklch(45.2% 0.156 265.5) |
| XYZ | xyz(10.9982, 8.7604, 39.6315) |
| Luminance | 0.0876 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.75
Sapphire
#0F52BA
ΔE00 3.10
Cobalt (survey)
#1E488F
ΔE00 4.49
Blue Blue
#2242C7
ΔE00 5.44
Dusk Blue
#26538D
ΔE00 5.47
Denim Blue
#3B5B92
ΔE00 5.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4DAB #AB892B
analogous
#2B8DAB #2B4DAB #492BAB
triadic
#2B4DAB #AB2B4D #4DAB2B
tetradic
#2B4DAB #AB2B8D #AB892B #2BAB49
square
#2B4DAB #AB2B8D #AB892B #2BAB49
split-complementary
#2B4DAB #AB492B #8DAB2B
monochromatic
#122149 #1F377A #2B4DAB #4369D0 #7490DC
Accessibility & contrast
On white
7.63
#2B4DAB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.75
#2B4DAB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4DAB
7.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4DAB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4DAB | 1.00 | 7.63 | 2.75 | 7.63 |
| #FFFFFF | 7.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005AAE
Deuteranopia (green-blind)
#004EA9
Tritanopia (blue-blind)
#006474
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #2b4dab; /* rgb */ color: rgb(43, 77, 171); /* oklch */ color: oklch(45.2% 0.156 265.5);
Tailwind
colors: {
custom: {
50: '#777ec5',
500: '#2b4dab',
950: '#000000',
},
}SCSS
$custom: #2b4dab; $custom-light: #777ec5; $custom-dark: #000000;
JSON
{
"hex": "#2b4dab",
"rgb": {
"r": 43,
"g": 77,
"b": 171
},
"hsl": {
"h": 224.063,
"s": 59.813,
"l": 41.961
},
"oklch": {
"l": 0.45196,
"c": 0.156,
"h": 265.5
},
"luminance": 0.08762
}Semantic roles & 50–950 ramp
primary
#2B4DAB
secondary
#C4AD6E
accent
#B945E3
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#0A0913
muted
#7C7B82