#2A3BB8#2A3BB8
#2A3BB8 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.9% C 0.195 H 269.6°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).
Color values
| HEX | #2A3BB8 |
|---|---|
| RGB | rgb(42, 59, 184) |
| HSL | hsl(233, 63%, 44%) |
| HSV | hsv(233, 77%, 72%) |
| CMYK | cmyk(77.2%, 67.9%, 0%, 27.8%) |
| CIE-LAB | lab(31.99, 38.05, -67.46) |
| CIE-LCH | lch(31.99, 77.45, 299.43°) |
| OKLab | oklab(42.9% -0.0014 -0.1953) |
| OKLCH | oklch(42.9% 0.195 269.6) |
| XYZ | xyz(11.1676, 7.0796, 46.1160) |
| Luminance | 0.0708 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.16
Blue Blue
#2242C7
ΔE00 2.79
Ocean Blue
#4F42B5
ΔE00 4.65
Blue (survey)
#0343DF
ΔE00 5.32
Blue With A Hint Of Purple
#533CC6
ΔE00 5.49
Blurple
#5539CC
ΔE00 6.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A3BB8 #B8A72A
analogous
#2A82B8 #2A3BB8 #602AB8
triadic
#2A3BB8 #B82A3B #3BB82A
tetradic
#2A3BB8 #B82A82 #B8A72A #2AB860
square
#2A3BB8 #B82A82 #B8A72A #2AB860
split-complementary
#2A3BB8 #B8602A #82B82A
monochromatic
#131B54 #1F2B86 #2A3BB8 #4A5AD6 #7B88E1
Accessibility & contrast
On white
8.69
#2A3BB8 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.42
#2A3BB8 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A3BB8
8.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A3BB8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A3BB8 | 1.00 | 8.69 | 2.42 | 8.69 |
| #FFFFFF | 8.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0052BC
Deuteranopia (green-blind)
#0044B6
Tritanopia (blue-blind)
#005D74
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #2a3bb8; /* rgb */ color: rgb(42, 59, 184); /* oklch */ color: oklch(42.9% 0.195 269.6);
Tailwind
colors: {
custom: {
50: '#7b71ce',
500: '#2a3bb8',
950: '#000000',
},
}SCSS
$custom: #2a3bb8; $custom-light: #7b71ce; $custom-dark: #000000;
JSON
{
"hex": "#2a3bb8",
"rgb": {
"r": 42,
"g": 59,
"b": 184
},
"hsl": {
"h": 232.817,
"s": 62.832,
"l": 44.314
},
"oklch": {
"l": 0.42904,
"c": 0.19528,
"h": 269.6
},
"luminance": 0.07081
}Semantic roles & 50–950 ramp
primary
#2A3BB8
secondary
#C9BF75
accent
#D242E6
background
#F8F6FC
surface
#EFECF9
border
#CAC7D2
text
#0B0714
muted
#7C7A82