#312CC9#312CC9
#312CC9 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.9% C 0.229 H 272.5°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).
Color values
| HEX | #312CC9 |
|---|---|
| RGB | rgb(49, 44, 201) |
| HSL | hsl(242, 64%, 48%) |
| HSV | hsv(242, 78%, 79%) |
| CMYK | cmyk(75.6%, 78.1%, 0%, 21.2%) |
| CIE-LAB | lab(31.04, 52.89, -79.00) |
| CIE-LCH | lch(31.04, 95.07, 303.80°) |
| OKLab | oklab(42.85% 0.0099 -0.2286) |
| OKLCH | oklch(42.85% 0.229 272.5) |
| XYZ | xyz(12.7064, 6.6700, 55.8648) |
| Luminance | 0.0667 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
True Blue
#010FCC
ΔE00 4.77
Ultramarine Blue
#1805DB
ΔE00 4.77
Blurple
#5539CC
ΔE00 4.85
Blue With A Hint Of Purple
#533CC6
ΔE00 4.97
Indigo Blue
#3A18B1
ΔE00 5.00
Pure Blue
#0203E2
ΔE00 5.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#312CC9 #C4C92C
analogous
#2C75C9 #312CC9 #7F2CC9
triadic
#312CC9 #C9312C #2CC931
tetradic
#312CC9 #C92C75 #C4C92C #2CC97F
square
#312CC9 #C92C75 #C4C92C #2CC97F
split-complementary
#312CC9 #C97F2C #75C92C
monochromatic
#191665 #252197 #312CC9 #5C58DA #8D8AE5
Accessibility & contrast
On white
9.00
#312CC9 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.33
#312CC9 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #312CC9
9.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##312CC9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##312CC9 | 1.00 | 9.00 | 2.33 | 9.00 |
| #FFFFFF | 9.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.33 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0051CD
Deuteranopia (green-blind)
#0041C6
Tritanopia (blue-blind)
#005C7A
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #312cc9; /* rgb */ color: rgb(49, 44, 201); /* oklch */ color: oklch(42.9% 0.229 272.5);
Tailwind
colors: {
custom: {
50: '#8369db',
500: '#312cc9',
950: '#000000',
},
}SCSS
$custom: #312cc9; $custom-light: #8369db; $custom-dark: #000000;
JSON
{
"hex": "#312cc9",
"rgb": {
"r": 49,
"g": 44,
"b": 201
},
"hsl": {
"h": 241.911,
"s": 64.082,
"l": 48.039
},
"oklch": {
"l": 0.4285,
"c": 0.22885,
"h": 272.5
},
"luminance": 0.06671
}Semantic roles & 50–950 ramp
primary
#312CC9
secondary
#CDCF82
accent
#E741E2
background
#F8F6FD
surface
#F0EBFB
border
#CBC6D4
text
#0D0615
muted
#7D7A83