#2B2BB3#2B2BB3
#2B2BB3 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.0% C 0.205 H 272.2°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).
Color values
| HEX | #2B2BB3 |
|---|---|
| RGB | rgb(43, 43, 179) |
| HSL | hsl(240, 61%, 44%) |
| HSV | hsv(240, 76%, 70%) |
| CMYK | cmyk(76%, 76%, 0%, 29.8%) |
| CIE-LAB | lab(28.10, 45.91, -70.90) |
| CIE-LCH | lch(28.10, 84.46, 302.92°) |
| OKLab | oklab(39.98% 0.0077 -0.2052) |
| OKLCH | oklch(39.98% 0.205 272.2) |
| XYZ | xyz(9.9941, 5.4950, 43.1730) |
| Luminance | 0.0550 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 3.93
Sapphire (survey)
#2138AB
ΔE00 4.09
True Blue
#010FCC
ΔE00 4.98
Mediumblue
#0000CD
ΔE00 5.93
Ultramarine Blue
#1805DB
ΔE00 6.06
Ultramarine
#2000B1
ΔE00 6.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B2BB3 #B3B32B
analogous
#2B6FB3 #2B2BB3 #6F2BB3
triadic
#2B2BB3 #B32B2B #2BB32B
tetradic
#2B2BB3 #B32B6F #B3B32B #2BB36F
square
#2B2BB3 #B32B6F #B3B32B #2BB36F
split-complementary
#2B2BB3 #B36F2B #6FB32B
monochromatic
#131350 #1F1F82 #2B2BB3 #4848D3 #7979DF
Accessibility & contrast
On white
10.00
#2B2BB3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#2B2BB3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B2BB3
10.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B2BB3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B2BB3 | 1.00 | 10.00 | 2.10 | 10.00 |
| #FFFFFF | 10.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0049B7
Deuteranopia (green-blind)
#003BB1
Tritanopia (blue-blind)
#00536D
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #2b2bb3; /* rgb */ color: rgb(43, 43, 179); /* oklch */ color: oklch(40.0% 0.205 272.2);
Tailwind
colors: {
custom: {
50: '#7b66cb',
500: '#2b2bb3',
950: '#000000',
},
}SCSS
$custom: #2b2bb3; $custom-light: #7b66cb; $custom-dark: #000000;
JSON
{
"hex": "#2b2bb3",
"rgb": {
"r": 43,
"g": 43,
"b": 179
},
"hsl": {
"h": 240,
"s": 61.261,
"l": 43.529
},
"oklch": {
"l": 0.3998,
"c": 0.20536,
"h": 272.2
},
"luminance": 0.05496
}Semantic roles & 50–950 ramp
primary
#2B2BB3
secondary
#C7C773
accent
#E443E4
background
#F8F6FC
surface
#EFEBF9
border
#CAC6D2
text
#0B0613
muted
#7C7A82