#2B31C0#2B31C0
#2B31C0 is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.2% C 0.215 H 270.8°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).
Color values
| HEX | #2B31C0 |
|---|---|
| RGB | rgb(43, 49, 192) |
| HSL | hsl(238, 63%, 46%) |
| HSV | hsv(238, 78%, 75%) |
| CMYK | cmyk(77.6%, 74.5%, 0%, 24.7%) |
| CIE-LAB | lab(30.68, 46.87, -74.34) |
| CIE-LCH | lch(30.68, 87.88, 302.23°) |
| OKLab | oklab(42.22% 0.0031 -0.2153) |
| OKLCH | oklch(42.22% 0.215 270.8) |
| XYZ | xyz(11.6058, 6.5147, 50.5048) |
| Luminance | 0.0652 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.91
Blue Blue
#2242C7
ΔE00 4.79
Blue With A Hint Of Purple
#533CC6
ΔE00 5.15
Blurple
#5539CC
ΔE00 5.38
Indigo Blue
#3A18B1
ΔE00 5.54
Ocean Blue
#4F42B5
ΔE00 5.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B31C0 #C0BA2B
analogous
#2B7BC0 #2B31C0 #6F2BC0
triadic
#2B31C0 #C02B31 #31C02B
tetradic
#2B31C0 #C02B7B #C0BA2B #2BC06F
square
#2B31C0 #C02B7B #C0BA2B #2BC06F
split-complementary
#2B31C0 #C06F2B #7BC02B
monochromatic
#15175C #20248E #2B31C0 #5056D8 #8286E3
Accessibility & contrast
On white
9.12
#2B31C0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.30
#2B31C0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B31C0
9.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B31C0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B31C0 | 1.00 | 9.12 | 2.30 | 9.12 |
| #FFFFFF | 9.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050C4
Deuteranopia (green-blind)
#0041BD
Tritanopia (blue-blind)
#005B76
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #2b31c0; /* rgb */ color: rgb(43, 49, 192); /* oklch */ color: oklch(42.2% 0.215 270.8);
Tailwind
colors: {
custom: {
50: '#7e6bd4',
500: '#2b31c0',
950: '#000000',
},
}SCSS
$custom: #2b31c0; $custom-light: #7e6bd4; $custom-dark: #000000;
JSON
{
"hex": "#2b31c0",
"rgb": {
"r": 43,
"g": 49,
"b": 192
},
"hsl": {
"h": 237.584,
"s": 63.404,
"l": 46.078
},
"oklch": {
"l": 0.42215,
"c": 0.2153,
"h": 270.8
},
"luminance": 0.06516
}Semantic roles & 50–950 ramp
primary
#2B31C0
secondary
#CCC97B
accent
#E041E6
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0714
muted
#7D7A83