#333CAA#333CAA
#333CAA is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.173 H 272.8°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).
Color values
| HEX | #333CAA |
|---|---|
| RGB | rgb(51, 60, 170) |
| HSL | hsl(235, 54%, 43%) |
| HSV | hsv(235, 70%, 67%) |
| CMYK | cmyk(70%, 64.7%, 0%, 33.3%) |
| CIE-LAB | lab(31.43, 33.42, -60.02) |
| CIE-LCH | lch(31.43, 68.69, 299.11°) |
| OKLab | oklab(42.24% 0.0084 -0.1733) |
| OKLCH | oklch(42.24% 0.173 272.8) |
| XYZ | xyz(10.2344, 6.8368, 38.8027) |
| Luminance | 0.0684 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.86
Blue Blue
#2242C7
ΔE00 4.26
Ocean Blue
#4F42B5
ΔE00 4.37
Blueberry
#464196
ΔE00 4.44
Blue With A Hint Of Purple
#533CC6
ΔE00 6.11
Cobalt
#0047AB
ΔE00 6.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#333CAA #AAA133
analogous
#3377AA #333CAA #6533AA
triadic
#333CAA #AA333C #3CAA33
tetradic
#333CAA #AA3377 #AAA133 #33AA65
square
#333CAA #AA3377 #AAA133 #33AA65
split-complementary
#333CAA #AA6533 #77AA33
monochromatic
#171B4C #252B7B #333CAA #5059CA #7F86D9
Accessibility & contrast
On white
8.87
#333CAA on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.37
#333CAA on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #333CAA
8.87:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##333CAA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##333CAA | 1.00 | 8.87 | 2.37 | 8.87 |
| #FFFFFF | 8.87 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.37 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.87 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050AE
Deuteranopia (green-blind)
#0045A8
Tritanopia (blue-blind)
#00596D
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #333caa; /* rgb */ color: rgb(51, 60, 170); /* oklch */ color: oklch(42.2% 0.173 272.8);
Tailwind
colors: {
custom: {
50: '#7b72c4',
500: '#333caa',
950: '#000000',
},
}SCSS
$custom: #333caa; $custom-light: #7b72c4; $custom-dark: #000000;
JSON
{
"hex": "#333caa",
"rgb": {
"r": 51,
"g": 60,
"b": 170
},
"hsl": {
"h": 235.462,
"s": 53.846,
"l": 43.333
},
"oklch": {
"l": 0.4224,
"c": 0.17349,
"h": 272.8
},
"luminance": 0.06838
}Semantic roles & 50–950 ramp
primary
#333CAA
secondary
#C2BC77
accent
#D24BDD
background
#F8F6FC
surface
#EFECF8
border
#CAC7D1
text
#0B0813
muted
#7C7B82