#33279C#33279C
#33279C is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.5% C 0.179 H 277.9°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).
Color values
| HEX | #33279C |
|---|---|
| RGB | rgb(51, 39, 156) |
| HSL | hsl(246, 60%, 38%) |
| HSV | hsv(246, 75%, 61%) |
| CMYK | cmyk(67.3%, 75%, 0%, 38.8%) |
| CIE-LAB | lab(25.43, 41.38, -61.41) |
| CIE-LCH | lch(25.43, 74.05, 303.97°) |
| OKLab | oklab(37.51% 0.0247 -0.1774) |
| OKLCH | oklch(37.51% 0.179 277.9) |
| XYZ | xyz(8.0896, 4.5545, 31.8988) |
| Luminance | 0.0456 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 4.04
Royal
#0C1793
ΔE00 4.60
Sapphire (survey)
#2138AB
ΔE00 5.53
Cobalt Blue
#030AA7
ΔE00 5.60
Ultramarine
#2000B1
ΔE00 5.98
Royal Blue (survey)
#0504AA
ΔE00 6.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#33279C #909C27
analogous
#27559C #33279C #6D279C
triadic
#33279C #9C3327 #279C33
tetradic
#33279C #9C2755 #909C27 #279C6D
square
#33279C #9C2755 #909C27 #279C6D
split-complementary
#33279C #9C6D27 #559C27
monochromatic
#130F3A #231B6B #33279C #4434CC #7165D8
Accessibility & contrast
On white
10.99
#33279C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#33279C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #33279C
10.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##33279C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##33279C | 1.00 | 10.99 | 1.91 | 10.99 |
| #FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00419F
Deuteranopia (green-blind)
#00379A
Tritanopia (blue-blind)
#00485F
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #33279c; /* rgb */ color: rgb(51, 39, 156); /* oklch */ color: oklch(37.5% 0.179 277.9);
Tailwind
colors: {
custom: {
50: '#7a63ba',
500: '#33279c',
950: '#000000',
},
}SCSS
$custom: #33279c; $custom-light: #7a63ba; $custom-dark: #000000;
JSON
{
"hex": "#33279c",
"rgb": {
"r": 51,
"g": 39,
"b": 156
},
"hsl": {
"h": 246.154,
"s": 60,
"l": 38.235
},
"oklch": {
"l": 0.37507,
"c": 0.17907,
"h": 277.9
},
"luminance": 0.04555
}Semantic roles & 50–950 ramp
primary
#33279C
secondary
#B5BE61
accent
#E345D3
background
#F8F6FB
surface
#EFEBF6
border
#CAC6D0
text
#0A0512
muted
#7C7A81