#2F3BB2#2F3BB2
#2F3BB2 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.6% C 0.186 H 271.3°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).
Color values
| HEX | #2F3BB2 |
|---|---|
| RGB | rgb(47, 59, 178) |
| HSL | hsl(235, 58%, 44%) |
| HSV | hsv(235, 74%, 70%) |
| CMYK | cmyk(73.6%, 66.9%, 0%, 30.2%) |
| CIE-LAB | lab(31.68, 36.42, -64.39) |
| CIE-LCH | lch(31.68, 73.98, 299.49°) |
| OKLab | oklab(42.58% 0.0041 -0.1862) |
| OKLCH | oklch(42.58% 0.186 271.3) |
| XYZ | xyz(10.7694, 6.9455, 42.8839) |
| Luminance | 0.0695 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.80
Blue Blue
#2242C7
ΔE00 3.43
Ocean Blue
#4F42B5
ΔE00 4.39
Blueberry
#464196
ΔE00 5.51
Blue With A Hint Of Purple
#533CC6
ΔE00 5.59
Blue (survey)
#0343DF
ΔE00 6.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2F3BB2 #B2A62F
analogous
#2F7DB2 #2F3BB2 #652FB2
triadic
#2F3BB2 #B22F3B #3BB22F
tetradic
#2F3BB2 #B22F7D #B2A62F #2FB265
square
#2F3BB2 #B22F7D #B2A62F #2FB265
split-complementary
#2F3BB2 #B2652F #7DB22F
monochromatic
#151B51 #222B82 #2F3BB2 #4E5AD0 #7E87DD
Accessibility & contrast
On white
8.79
#2F3BB2 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.39
#2F3BB2 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2F3BB2
8.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2F3BB2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2F3BB2 | 1.00 | 8.79 | 2.39 | 8.79 |
| #FFFFFF | 8.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.39 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0051B6
Deuteranopia (green-blind)
#0044B0
Tritanopia (blue-blind)
#005B71
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #2f3bb2; /* rgb */ color: rgb(47, 59, 178); /* oklch */ color: oklch(42.6% 0.186 271.3);
Tailwind
colors: {
custom: {
50: '#7b71ca',
500: '#2f3bb2',
950: '#000000',
},
}SCSS
$custom: #2f3bb2; $custom-light: #7b71ca; $custom-dark: #000000;
JSON
{
"hex": "#2f3bb2",
"rgb": {
"r": 47,
"g": 59,
"b": 178
},
"hsl": {
"h": 234.504,
"s": 58.222,
"l": 44.118
},
"oklch": {
"l": 0.42581,
"c": 0.18625,
"h": 271.3
},
"luminance": 0.06947
}Semantic roles & 50–950 ramp
primary
#2F3BB2
secondary
#C6BF77
accent
#D346E1
background
#F8F6FC
surface
#EFECF9
border
#CAC7D2
text
#0B0713
muted
#7C7A82