#2A31B5#2A31B5
#2A31B5 is a dark, highly saturated blue. Relative luminance 0.060; OKLCH L 41.0% C 0.202 H 271.1°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).
Color values
| HEX | #2A31B5 |
|---|---|
| RGB | rgb(42, 49, 181) |
| HSL | hsl(237, 62%, 44%) |
| HSV | hsv(237, 77%, 71%) |
| CMYK | cmyk(76.8%, 72.9%, 0%, 29%) |
| CIE-LAB | lab(29.47, 43.08, -69.82) |
| CIE-LCH | lch(29.47, 82.04, 301.67°) |
| OKLab | oklab(41% 0.0038 -0.2021) |
| OKLCH | oklch(41% 0.202 271.1) |
| XYZ | xyz(10.3908, 6.0239, 44.3222) |
| Luminance | 0.0602 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.88
Blue Blue
#2242C7
ΔE00 5.24
Indigo Blue
#3A18B1
ΔE00 5.37
Ocean Blue
#4F42B5
ΔE00 5.82
Blue With A Hint Of Purple
#533CC6
ΔE00 5.96
True Blue
#010FCC
ΔE00 6.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A31B5 #B5AE2A
analogous
#2A76B5 #2A31B5 #682AB5
triadic
#2A31B5 #B52A31 #31B52A
tetradic
#2A31B5 #B52A76 #B5AE2A #2AB568
square
#2A31B5 #B52A76 #B5AE2A #2AB568
split-complementary
#2A31B5 #B5682A #76B52A
monochromatic
#131652 #1E2483 #2A31B5 #484FD4 #797FE0
Accessibility & contrast
On white
9.52
#2A31B5 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.21
#2A31B5 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A31B5
9.52:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A31B5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A31B5 | 1.00 | 9.52 | 2.21 | 9.52 |
| #FFFFFF | 9.52 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.52 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004CB9
Deuteranopia (green-blind)
#003FB3
Tritanopia (blue-blind)
#005770
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #2a31b5; /* rgb */ color: rgb(42, 49, 181); /* oklch */ color: oklch(41.0% 0.202 271.1);
Tailwind
colors: {
custom: {
50: '#7b6acc',
500: '#2a31b5',
950: '#000000',
},
}SCSS
$custom: #2a31b5; $custom-light: #7b6acc; $custom-dark: #000000;
JSON
{
"hex": "#2a31b5",
"rgb": {
"r": 42,
"g": 49,
"b": 181
},
"hsl": {
"h": 236.978,
"s": 62.332,
"l": 43.725
},
"oklch": {
"l": 0.41002,
"c": 0.20218,
"h": 271.1
},
"luminance": 0.06025
}Semantic roles & 50–950 ramp
primary
#2A31B5
secondary
#C8C473
accent
#DD42E5
background
#F8F6FC
surface
#EFEBF9
border
#CAC6D2
text
#0B0614
muted
#7C7A82