#321FB4#321FB4
#321FB4 is a dark, highly saturated blue. Relative luminance 0.050; OKLCH L 39.1% C 0.215 H 275.6°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).
Color values
| HEX | #321FB4 |
|---|---|
| RGB | rgb(50, 31, 180) |
| HSL | hsl(248, 71%, 41%) |
| HSV | hsv(248, 83%, 71%) |
| CMYK | cmyk(72.2%, 82.8%, 0%, 29.4%) |
| CIE-LAB | lab(26.60, 52.75, -73.97) |
| CIE-LCH | lch(26.60, 90.85, 305.49°) |
| OKLab | oklab(39.08% 0.0209 -0.2138) |
| OKLCH | oklch(39.08% 0.215 275.6) |
| XYZ | xyz(10.0409, 4.9524, 43.5979) |
| Luminance | 0.0495 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 1.43
True Blue
#010FCC
ΔE00 3.48
Ultramarine
#2000B1
ΔE00 4.00
Mediumblue
#0000CD
ΔE00 4.13
Violet Blue
#510AC9
ΔE00 4.67
Cobalt Blue
#030AA7
ΔE00 4.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#321FB4 #A1B41F
analogous
#1F57B4 #321FB4 #7D1FB4
triadic
#321FB4 #B4321F #1FB432
tetradic
#321FB4 #B41F57 #A1B41F #1FB47D
square
#321FB4 #B41F57 #A1B41F #1FB47D
split-complementary
#321FB4 #B47D1F #57B41F
monochromatic
#150D4C #231680 #321FB4 #4A34DC #7868E5
Accessibility & contrast
On white
10.55
#321FB4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.99
#321FB4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #321FB4
10.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##321FB4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##321FB4 | 1.00 | 10.55 | 1.99 | 10.55 |
| #FFFFFF | 10.55 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.55 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0045B8
Deuteranopia (green-blind)
#0038B1
Tritanopia (blue-blind)
#004F6B
Achromatopsia (no color)
#3F3F3F
Design tokens & code
CSS
--color: #321fb4; /* rgb */ color: rgb(50, 31, 180); /* oklch */ color: oklch(39.1% 0.215 275.6);
Tailwind
colors: {
custom: {
50: '#7f60cc',
500: '#321fb4',
950: '#000000',
},
}SCSS
$custom: #321fb4; $custom-light: #7f60cc; $custom-dark: #000000;
JSON
{
"hex": "#321fb4",
"rgb": {
"r": 50,
"g": 31,
"b": 180
},
"hsl": {
"h": 247.651,
"s": 70.616,
"l": 41.373
},
"oklch": {
"l": 0.39084,
"c": 0.21483,
"h": 275.6
},
"luminance": 0.04953
}Semantic roles & 50–950 ramp
primary
#321FB4
secondary
#BECB64
accent
#ED3AD7
background
#F8F5FC
surface
#F0EAF9
border
#CBC6D2
text
#0C0514
muted
#7D7982