#312CB5#312CB5
#312CB5 is a dark, highly saturated blue. Relative luminance 0.058; OKLCH L 40.7% C 0.205 H 273.9°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).
Color values
| HEX | #312CB5 |
|---|---|
| RGB | rgb(49, 44, 181) |
| HSL | hsl(242, 61%, 44%) |
| HSV | hsv(242, 76%, 71%) |
| CMYK | cmyk(72.9%, 75.7%, 0%, 29%) |
| CIE-LAB | lab(28.88, 46.52, -70.80) |
| CIE-LCH | lch(28.88, 84.71, 303.31°) |
| OKLab | oklab(40.69% 0.0141 -0.2048) |
| OKLCH | oklch(40.69% 0.205 273.9) |
| XYZ | xyz(10.5050, 5.7895, 44.2710) |
| Luminance | 0.0579 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 3.94
Sapphire (survey)
#2138AB
ΔE00 4.25
True Blue
#010FCC
ΔE00 5.10
Ultramarine Blue
#1805DB
ΔE00 5.98
Blue With A Hint Of Purple
#533CC6
ΔE00 6.01
Violet Blue
#510AC9
ΔE00 6.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#312CB5 #B0B52C
analogous
#2C6CB5 #312CB5 #762CB5
triadic
#312CB5 #B5312C #2CB531
tetradic
#312CB5 #B52C6C #B0B52C #2CB576
square
#312CB5 #B52C6C #B0B52C #2CB576
split-complementary
#312CB5 #B5762C #6CB52C
monochromatic
#161453 #242084 #312CB5 #504BD3 #807CDF
Accessibility & contrast
On white
9.73
#312CB5 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.16
#312CB5 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #312CB5
9.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##312CB5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##312CB5 | 1.00 | 9.73 | 2.16 | 9.73 |
| #FFFFFF | 9.73 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.16 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.73 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004AB9
Deuteranopia (green-blind)
#003EB3
Tritanopia (blue-blind)
#00546F
Achromatopsia (no color)
#444444
Design tokens & code
CSS
--color: #312cb5; /* rgb */ color: rgb(49, 44, 181); /* oklch */ color: oklch(40.7% 0.205 273.9);
Tailwind
colors: {
custom: {
50: '#7e67cc',
500: '#312cb5',
950: '#000000',
},
}SCSS
$custom: #312cb5; $custom-light: #7e67cc; $custom-dark: #000000;
JSON
{
"hex": "#312cb5",
"rgb": {
"r": 49,
"g": 44,
"b": 181
},
"hsl": {
"h": 242.19,
"s": 60.889,
"l": 44.118
},
"oklch": {
"l": 0.40687,
"c": 0.20528,
"h": 273.9
},
"luminance": 0.05791
}Semantic roles & 50–950 ramp
primary
#312CB5
secondary
#C5C875
accent
#E444DE
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0614
muted
#7D7A82