#2A3BB1#2A3BB1
#2A3BB1 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.186 H 269.7°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).
Color values
| HEX | #2A3BB1 |
|---|---|
| RGB | rgb(42, 59, 177) |
| HSL | hsl(232, 62%, 43%) |
| HSV | hsv(232, 76%, 69%) |
| CMYK | cmyk(76.3%, 66.7%, 0%, 30.6%) |
| CIE-LAB | lab(31.33, 35.53, -64.38) |
| CIE-LCH | lch(31.33, 73.53, 298.89°) |
| OKLab | oklab(42.23% -0.0009 -0.1863) |
| OKLCH | oklch(42.23% 0.186 269.7) |
| XYZ | xyz(10.4519, 6.7934, 42.3469) |
| Luminance | 0.0679 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.37
Blue Blue
#2242C7
ΔE00 3.45
Ocean Blue
#4F42B5
ΔE00 4.89
Blueberry
#464196
ΔE00 5.66
Cobalt
#0047AB
ΔE00 5.83
Blue With A Hint Of Purple
#533CC6
ΔE00 6.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A3BB1 #B1A02A
analogous
#2A7FB1 #2A3BB1 #5C2AB1
triadic
#2A3BB1 #B12A3B #3BB12A
tetradic
#2A3BB1 #B12A7F #B1A02A #2AB15C
square
#2A3BB1 #B12A7F #B1A02A #2AB15C
split-complementary
#2A3BB1 #B15C2A #7FB12A
monochromatic
#131A4E #1E2B80 #2A3BB1 #4557D3 #7784DF
Accessibility & contrast
On white
8.90
#2A3BB1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.36
#2A3BB1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A3BB1
8.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A3BB1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A3BB1 | 1.00 | 8.90 | 2.36 | 8.90 |
| #FFFFFF | 8.90 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.36 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.90 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050B5
Deuteranopia (green-blind)
#0043AF
Tritanopia (blue-blind)
#005B71
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #2a3bb1; /* rgb */ color: rgb(42, 59, 177); /* oklch */ color: oklch(42.2% 0.186 269.7);
Tailwind
colors: {
custom: {
50: '#7971c9',
500: '#2a3bb1',
950: '#000000',
},
}SCSS
$custom: #2a3bb1; $custom-light: #7971c9; $custom-dark: #000000;
JSON
{
"hex": "#2a3bb1",
"rgb": {
"r": 42,
"g": 59,
"b": 177
},
"hsl": {
"h": 232.444,
"s": 61.644,
"l": 42.941
},
"oklch": {
"l": 0.42227,
"c": 0.18628,
"h": 269.7
},
"luminance": 0.06794
}Semantic roles & 50–950 ramp
primary
#2A3BB1
secondary
#C6BC70
accent
#D043E5
background
#F8F6FC
surface
#EFECF8
border
#CAC7D1
text
#0B0713
muted
#7C7A82