#2B2CB1#2B2CB1
#2B2CB1 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 39.9% C 0.202 H 272.2°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).
Color values
| HEX | #2B2CB1 |
|---|---|
| RGB | rgb(43, 44, 177) |
| HSL | hsl(240, 61%, 43%) |
| HSV | hsv(240, 76%, 69%) |
| CMYK | cmyk(75.7%, 75.1%, 0%, 30.6%) |
| CIE-LAB | lab(28.08, 44.69, -69.73) |
| CIE-LCH | lch(28.08, 82.82, 302.65°) |
| OKLab | oklab(39.9% 0.0077 -0.2018) |
| OKLCH | oklch(39.9% 0.202 272.2) |
| XYZ | xyz(9.8301, 5.4882, 42.1277) |
| Luminance | 0.0549 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.80
Indigo Blue
#3A18B1
ΔE00 4.17
True Blue
#010FCC
ΔE00 5.30
Mediumblue
#0000CD
ΔE00 6.25
Ultramarine Blue
#1805DB
ΔE00 6.41
Ultramarine
#2000B1
ΔE00 6.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B2CB1 #B1B02B
analogous
#2B6FB1 #2B2CB1 #6D2BB1
triadic
#2B2CB1 #B12B2C #2CB12B
tetradic
#2B2CB1 #B12B6F #B1B02B #2BB16D
square
#2B2CB1 #B12B6F #B1B02B #2BB16D
split-complementary
#2B2CB1 #B16D2B #6FB12B
monochromatic
#13144F #1F2080 #2B2CB1 #4748D2 #7879DE
Accessibility & contrast
On white
10.01
#2B2CB1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#2B2CB1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B2CB1
10.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B2CB1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B2CB1 | 1.00 | 10.01 | 2.10 | 10.01 |
| #FFFFFF | 10.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0049B5
Deuteranopia (green-blind)
#003CAF
Tritanopia (blue-blind)
#00536C
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #2b2cb1; /* rgb */ color: rgb(43, 44, 177); /* oklch */ color: oklch(39.9% 0.202 272.2);
Tailwind
colors: {
custom: {
50: '#7b67ca',
500: '#2b2cb1',
950: '#000000',
},
}SCSS
$custom: #2b2cb1; $custom-light: #7b67ca; $custom-dark: #000000;
JSON
{
"hex": "#2b2cb1",
"rgb": {
"r": 43,
"g": 44,
"b": 177
},
"hsl": {
"h": 239.552,
"s": 60.909,
"l": 43.137
},
"oklch": {
"l": 0.39903,
"c": 0.20198,
"h": 272.2
},
"luminance": 0.05489
}Semantic roles & 50–950 ramp
primary
#2B2CB1
secondary
#C6C672
accent
#E344E4
background
#F8F6FC
surface
#EFEBF9
border
#CAC6D2
text
#0B0613
muted
#7C7A82