#2C3FB5#2C3FB5
#2C3FB5 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.4% C 0.186 H 269.5°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).
Color values
| HEX | #2C3FB5 |
|---|---|
| RGB | rgb(44, 63, 181) |
| HSL | hsl(232, 61%, 44%) |
| HSV | hsv(232, 76%, 71%) |
| CMYK | cmyk(75.7%, 65.2%, 0%, 29%) |
| CIE-LAB | lab(32.76, 34.63, -64.42) |
| CIE-LCH | lch(32.76, 73.14, 298.27°) |
| OKLab | oklab(43.41% -0.0016 -0.1863) |
| OKLCH | oklch(43.41% 0.186 269.5) |
| XYZ | xyz(11.1538, 7.4255, 44.5525) |
| Luminance | 0.0743 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.46
Blue Blue
#2242C7
ΔE00 2.47
Ocean Blue
#4F42B5
ΔE00 4.52
Cobalt
#0047AB
ΔE00 5.22
Blue (survey)
#0343DF
ΔE00 5.30
Blueberry
#464196
ΔE00 5.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2C3FB5 #B5A22C
analogous
#2C84B5 #2C3FB5 #5E2CB5
triadic
#2C3FB5 #B52C3F #3FB52C
tetradic
#2C3FB5 #B52C84 #B5A22C #2CB55E
square
#2C3FB5 #B52C84 #B5A22C #2CB55E
split-complementary
#2C3FB5 #B55E2C #84B52C
monochromatic
#141D53 #202E84 #2C3FB5 #4B5ED3 #7C8ADF
Accessibility & contrast
On white
8.45
#2C3FB5 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.49
#2C3FB5 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2C3FB5
8.45:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2C3FB5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2C3FB5 | 1.00 | 8.45 | 2.49 | 8.45 |
| #FFFFFF | 8.45 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.45 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0054B9
Deuteranopia (green-blind)
#0047B3
Tritanopia (blue-blind)
#005E74
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #2c3fb5; /* rgb */ color: rgb(44, 63, 181); /* oklch */ color: oklch(43.4% 0.186 269.5);
Tailwind
colors: {
custom: {
50: '#7a74cc',
500: '#2c3fb5',
950: '#000000',
},
}SCSS
$custom: #2c3fb5; $custom-light: #7a74cc; $custom-dark: #000000;
JSON
{
"hex": "#2c3fb5",
"rgb": {
"r": 44,
"g": 63,
"b": 181
},
"hsl": {
"h": 231.679,
"s": 60.889,
"l": 44.118
},
"oklch": {
"l": 0.43407,
"c": 0.18633,
"h": 269.5
},
"luminance": 0.07427
}Semantic roles & 50–950 ramp
primary
#2C3FB5
secondary
#C8BC75
accent
#CE44E4
background
#F8F7FC
surface
#EFEDF9
border
#CAC8D2
text
#0B0813
muted
#7C7B82