#2B39B0#2B39B0
#2B39B0 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.8% C 0.187 H 270.4°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).
Color values
| HEX | #2B39B0 |
|---|---|
| RGB | rgb(43, 57, 176) |
| HSL | hsl(234, 61%, 43%) |
| HSV | hsv(234, 76%, 69%) |
| CMYK | cmyk(75.6%, 67.6%, 0%, 31%) |
| CIE-LAB | lab(30.82, 36.54, -64.63) |
| CIE-LCH | lch(30.82, 74.25, 299.48°) |
| OKLab | oklab(41.84% 0.0013 -0.187) |
| OKLCH | oklch(41.84% 0.187 270.4) |
| XYZ | xyz(10.2932, 6.5733, 41.7922) |
| Luminance | 0.0657 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.24
Blue Blue
#2242C7
ΔE00 3.91
Ocean Blue
#4F42B5
ΔE00 4.95
Blueberry
#464196
ΔE00 5.69
Blue With A Hint Of Purple
#533CC6
ΔE00 6.07
Cobalt
#0047AB
ΔE00 6.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B39B0 #B0A22B
analogous
#2B7CB0 #2B39B0 #5F2BB0
triadic
#2B39B0 #B02B39 #39B02B
tetradic
#2B39B0 #B02B7C #B0A22B #2BB05F
square
#2B39B0 #B02B7C #B0A22B #2BB05F
split-complementary
#2B39B0 #B05F2B #7CB02B
monochromatic
#13194E #1F297F #2B39B0 #4655D2 #7882DE
Accessibility & contrast
On white
9.07
#2B39B0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.31
#2B39B0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B39B0
9.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B39B0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B39B0 | 1.00 | 9.07 | 2.31 | 9.07 |
| #FFFFFF | 9.07 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.07 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004FB4
Deuteranopia (green-blind)
#0042AE
Tritanopia (blue-blind)
#00596F
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #2b39b0; /* rgb */ color: rgb(43, 57, 176); /* oklch */ color: oklch(41.8% 0.187 270.4);
Tailwind
colors: {
custom: {
50: '#796fc9',
500: '#2b39b0',
950: '#000000',
},
}SCSS
$custom: #2b39b0; $custom-light: #796fc9; $custom-dark: #000000;
JSON
{
"hex": "#2b39b0",
"rgb": {
"r": 43,
"g": 57,
"b": 176
},
"hsl": {
"h": 233.684,
"s": 60.731,
"l": 42.941
},
"oklch": {
"l": 0.41836,
"c": 0.187,
"h": 270.4
},
"luminance": 0.06574
}Semantic roles & 50–950 ramp
primary
#2B39B0
secondary
#C6BD71
accent
#D344E4
background
#F8F6FC
surface
#EFECF8
border
#CAC7D1
text
#0B0713
muted
#7C7A82