#331B98#331B98
#331B98 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.6% C 0.185 H 280.1°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).
Color values
| HEX | #331B98 |
|---|---|
| RGB | rgb(51, 27, 152) |
| HSL | hsl(252, 70%, 35%) |
| HSV | hsv(252, 82%, 60%) |
| CMYK | cmyk(66.4%, 82.2%, 0%, 40.4%) |
| CIE-LAB | lab(22.84, 46.30, -63.22) |
| CIE-LCH | lch(22.84, 78.36, 306.22°) |
| OKLab | oklab(35.57% 0.0325 -0.1825) |
| OKLCH | oklch(35.57% 0.185 280.1) |
| XYZ | xyz(7.4229, 3.7541, 30.0331) |
| Luminance | 0.0376 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Royal
#0C1793
ΔE00 3.33
Indigo Blue
#3A18B1
ΔE00 3.53
Cobalt Blue
#030AA7
ΔE00 3.97
Royal Blue (survey)
#0504AA
ΔE00 4.33
Ultramarine
#2000B1
ΔE00 4.35
Indigo (survey)
#380282
ΔE00 4.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#331B98 #80981B
analogous
#1B4298 #331B98 #711B98
triadic
#331B98 #98331B #1B9833
tetradic
#331B98 #981B42 #80981B #1B9871
square
#331B98 #981B42 #80981B #1B9871
split-complementary
#331B98 #98711B #42981B
monochromatic
#100930 #221264 #331B98 #4424CC #6A4EE0
Accessibility & contrast
On white
11.99
#331B98 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.75
#331B98 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #331B98
11.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##331B98 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##331B98 | 1.00 | 11.99 | 1.75 | 11.99 |
| #FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003B9B
Deuteranopia (green-blind)
#003296
Tritanopia (blue-blind)
#00425A
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #331b98; /* rgb */ color: rgb(51, 27, 152); /* oklch */ color: oklch(35.6% 0.185 280.1);
Tailwind
colors: {
custom: {
50: '#7a5cb8',
500: '#331b98',
950: '#000000',
},
}SCSS
$custom: #331b98; $custom-light: #7a5cb8; $custom-dark: #000000;
JSON
{
"hex": "#331b98",
"rgb": {
"r": 51,
"g": 27,
"b": 152
},
"hsl": {
"h": 251.52,
"s": 69.832,
"l": 35.098
},
"oklch": {
"l": 0.3557,
"c": 0.18539,
"h": 280.1
},
"luminance": 0.03755
}Semantic roles & 50–950 ramp
primary
#331B98
secondary
#ABC24D
accent
#ED3BCB
background
#F8F5FB
surface
#EFE9F6
border
#CAC5D0
text
#0B0411
muted
#7C7980