#2A2BB4#2A2BB4
#2A2BB4 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.0% C 0.207 H 271.8°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).
Color values
| HEX | #2A2BB4 |
|---|---|
| RGB | rgb(42, 43, 180) |
| HSL | hsl(240, 62%, 44%) |
| HSV | hsv(240, 77%, 71%) |
| CMYK | cmyk(76.7%, 76.1%, 0%, 29.4%) |
| CIE-LAB | lab(28.15, 46.16, -71.41) |
| CIE-LCH | lch(28.15, 85.03, 302.88°) |
| OKLab | oklab(40.03% 0.0064 -0.2067) |
| OKLCH | oklch(40.03% 0.207 271.8) |
| XYZ | xyz(10.0542, 5.5142, 43.7056) |
| Luminance | 0.0551 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 3.97
Sapphire (survey)
#2138AB
ΔE00 4.10
True Blue
#010FCC
ΔE00 4.91
Mediumblue
#0000CD
ΔE00 5.87
Ultramarine Blue
#1805DB
ΔE00 5.98
Ultramarine
#2000B1
ΔE00 6.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A2BB4 #B4B32A
analogous
#2A70B4 #2A2BB4 #6E2AB4
triadic
#2A2BB4 #B42A2B #2BB42A
tetradic
#2A2BB4 #B42A70 #B4B32A #2AB46E
square
#2A2BB4 #B42A70 #B4B32A #2AB46E
split-complementary
#2A2BB4 #B46E2A #70B42A
monochromatic
#131351 #1E1F82 #2A2BB4 #4748D4 #7979E0
Accessibility & contrast
On white
9.99
#2A2BB4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#2A2BB4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A2BB4
9.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A2BB4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A2BB4 | 1.00 | 9.99 | 2.10 | 9.99 |
| #FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0049B8
Deuteranopia (green-blind)
#003BB2
Tritanopia (blue-blind)
#00546E
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #2a2bb4; /* rgb */ color: rgb(42, 43, 180); /* oklch */ color: oklch(40.0% 0.207 271.8);
Tailwind
colors: {
custom: {
50: '#7b66cc',
500: '#2a2bb4',
950: '#000000',
},
}SCSS
$custom: #2a2bb4; $custom-light: #7b66cc; $custom-dark: #000000;
JSON
{
"hex": "#2a2bb4",
"rgb": {
"r": 42,
"g": 43,
"b": 180
},
"hsl": {
"h": 239.565,
"s": 62.162,
"l": 43.529
},
"oklch": {
"l": 0.40033,
"c": 0.20682,
"h": 271.8
},
"luminance": 0.05515
}Semantic roles & 50–950 ramp
primary
#2A2BB4
secondary
#C8C772
accent
#E443E5
background
#F8F6FC
surface
#EFEBF9
border
#CAC6D2
text
#0B0614
muted
#7C7A82