#4333AB#4333AB
#4333AB is a dark, vivid blue. Relative luminance 0.065; OKLCH L 42.0% C 0.182 H 281.2°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).
Color values
| HEX | #4333AB |
|---|---|
| RGB | rgb(67, 51, 171) |
| HSL | hsl(248, 54%, 44%) |
| HSV | hsv(248, 70%, 67%) |
| CMYK | cmyk(60.8%, 70.2%, 0%, 32.9%) |
| CIE-LAB | lab(30.64, 41.48, -61.87) |
| CIE-LCH | lch(30.64, 74.49, 303.84°) |
| OKLab | oklab(41.99% 0.0354 -0.1783) |
| OKLCH | oklch(41.99% 0.182 281.2) |
| XYZ | xyz(10.8469, 6.5005, 39.2033) |
| Luminance | 0.0650 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Ocean Blue
#4F42B5
ΔE00 4.32
Sapphire (survey)
#2138AB
ΔE00 4.48
Blue With A Hint Of Purple
#533CC6
ΔE00 4.90
Indigo Blue
#3A18B1
ΔE00 5.36
Blurple
#5539CC
ΔE00 5.45
Blueberry
#464196
ΔE00 5.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4333AB #9BAB33
analogous
#335FAB #4333AB #7F33AB
triadic
#4333AB #AB4333 #33AB43
tetradic
#4333AB #AB335F #9BAB33 #33AB7F
square
#4333AB #AB335F #9BAB33 #33AB7F
split-complementary
#4333AB #AB7F33 #5FAB33
monochromatic
#1E174D #31257C #4333AB #6150CB #8B7FD9
Accessibility & contrast
On white
9.13
#4333AB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.30
#4333AB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #4333AB
9.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4333AB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4333AB | 1.00 | 9.13 | 2.30 | 9.13 |
| #FFFFFF | 9.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004CAF
Deuteranopia (green-blind)
#0044A9
Tritanopia (blue-blind)
#00536B
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #4333ab; /* rgb */ color: rgb(67, 51, 171); /* oklch */ color: oklch(42.0% 0.182 281.2);
Tailwind
colors: {
custom: {
50: '#836cc5',
500: '#4333ab',
950: '#000000',
},
}SCSS
$custom: #4333ab; $custom-light: #836cc5; $custom-dark: #000000;
JSON
{
"hex": "#4333ab",
"rgb": {
"r": 67,
"g": 51,
"b": 171
},
"hsl": {
"h": 248,
"s": 54.054,
"l": 43.529
},
"oklch": {
"l": 0.41991,
"c": 0.18175,
"h": 281.2
},
"luminance": 0.06501
}Semantic roles & 50–950 ramp
primary
#4333AB
secondary
#B8C278
accent
#DD4ACA
background
#F8F6FC
surface
#F0EBF8
border
#CBC6D1
text
#0C0713
muted
#7D7A82