#2B47B4#2B47B4
#2B47B4 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.8% C 0.176 H 267.5°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).
Color values
| HEX | #2B47B4 |
|---|---|
| RGB | rgb(43, 71, 180) |
| HSL | hsl(228, 61%, 44%) |
| HSV | hsv(228, 76%, 71%) |
| CMYK | cmyk(76.1%, 60.6%, 0%, 29.4%) |
| CIE-LAB | lab(34.63, 28.96, -60.76) |
| CIE-LCH | lch(34.63, 67.31, 295.49°) |
| OKLab | oklab(44.75% -0.0076 -0.1756) |
| OKLCH | oklch(44.75% 0.176 267.5) |
| XYZ | xyz(11.4849, 8.3141, 44.1707) |
| Luminance | 0.0832 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.99
Cobalt
#0047AB
ΔE00 3.47
Sapphire (survey)
#2138AB
ΔE00 4.54
Sapphire
#0F52BA
ΔE00 4.74
Blue (survey)
#0343DF
ΔE00 5.42
Ocean Blue
#4F42B5
ΔE00 5.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B47B4 #B4982B
analogous
#2B8BB4 #2B47B4 #532BB4
triadic
#2B47B4 #B42B47 #47B42B
tetradic
#2B47B4 #B42B8B #B4982B #2BB453
square
#2B47B4 #B42B8B #B4982B #2BB453
split-complementary
#2B47B4 #B4532B #8BB42B
monochromatic
#132051 #1F3483 #2B47B4 #4965D3 #7A8FDF
Accessibility & contrast
On white
7.89
#2B47B4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.66
#2B47B4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B47B4
7.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B47B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B47B4 | 1.00 | 7.89 | 2.66 | 7.89 |
| #FFFFFF | 7.89 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.89 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0058B8
Deuteranopia (green-blind)
#004BB2
Tritanopia (blue-blind)
#006376
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #2b47b4; /* rgb */ color: rgb(43, 71, 180); /* oklch */ color: oklch(44.8% 0.176 267.5);
Tailwind
colors: {
custom: {
50: '#7979cb',
500: '#2b47b4',
950: '#000000',
},
}SCSS
$custom: #2b47b4; $custom-light: #7979cb; $custom-dark: #000000;
JSON
{
"hex": "#2b47b4",
"rgb": {
"r": 43,
"g": 71,
"b": 180
},
"hsl": {
"h": 227.737,
"s": 61.435,
"l": 43.725
},
"oklch": {
"l": 0.44751,
"c": 0.17571,
"h": 267.5
},
"luminance": 0.08315
}Semantic roles & 50–950 ramp
primary
#2B47B4
secondary
#C7B673
accent
#C443E5
background
#F8F7FC
surface
#EFEDF9
border
#CAC8D2
text
#0B0913
muted
#7C7B82