#2A31C4#2A31C4
#2A31C4 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.6% C 0.220 H 270.4°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).
Color values
| HEX | #2A31C4 |
|---|---|
| RGB | rgb(42, 49, 196) |
| HSL | hsl(237, 65%, 47%) |
| HSV | hsv(237, 79%, 77%) |
| CMYK | cmyk(78.6%, 75%, 0%, 23.1%) |
| CIE-LAB | lab(31.05, 48.12, -76.07) |
| CIE-LCH | lch(31.05, 90.02, 302.32°) |
| OKLab | oklab(42.59% 0.0014 -0.2203) |
| OKLCH | oklch(42.59% 0.22 270.4) |
| XYZ | xyz(12.0136, 6.6730, 52.8687) |
| Luminance | 0.0667 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 4.28
Blue Blue
#2242C7
ΔE00 4.69
Blue With A Hint Of Purple
#533CC6
ΔE00 5.02
Blurple
#5539CC
ΔE00 5.17
True Blue
#010FCC
ΔE00 5.63
Indigo Blue
#3A18B1
ΔE00 5.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A31C4 #C4BD2A
analogous
#2A7EC4 #2A31C4 #702AC4
triadic
#2A31C4 #C42A31 #31C42A
tetradic
#2A31C4 #C42A7E #C4BD2A #2AC470
square
#2A31C4 #C42A7E #C4BD2A #2AC470
split-complementary
#2A31C4 #C4702A #7EC42A
monochromatic
#14185F #1F2492 #2A31C4 #5158DA #8488E5
Accessibility & contrast
On white
8.99
#2A31C4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.33
#2A31C4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A31C4
8.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A31C4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A31C4 | 1.00 | 8.99 | 2.33 | 8.99 |
| #FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.33 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0051C8
Deuteranopia (green-blind)
#0041C1
Tritanopia (blue-blind)
#005D78
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #2a31c4; /* rgb */ color: rgb(42, 49, 196); /* oklch */ color: oklch(42.6% 0.220 270.4);
Tailwind
colors: {
custom: {
50: '#7f6bd7',
500: '#2a31c4',
950: '#000000',
},
}SCSS
$custom: #2a31c4; $custom-light: #7f6bd7; $custom-dark: #000000;
JSON
{
"hex": "#2a31c4",
"rgb": {
"r": 42,
"g": 49,
"b": 196
},
"hsl": {
"h": 237.273,
"s": 64.706,
"l": 46.667
},
"oklch": {
"l": 0.42593,
"c": 0.22033,
"h": 270.4
},
"luminance": 0.06674
}Semantic roles & 50–950 ramp
primary
#2A31C4
secondary
#CECA7C
accent
#E040E8
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0715
muted
#7D7A83