#333BA5#333BA5
#333BA5 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.6% C 0.168 H 273.2°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).
Color values
| HEX | #333BA5 |
|---|---|
| RGB | rgb(51, 59, 165) |
| HSL | hsl(236, 53%, 42%) |
| HSV | hsv(236, 69%, 65%) |
| CMYK | cmyk(69.1%, 64.2%, 0%, 35.3%) |
| CIE-LAB | lab(30.75, 32.28, -58.12) |
| CIE-LCH | lch(30.75, 66.49, 299.05°) |
| OKLab | oklab(41.61% 0.0095 -0.1677) |
| OKLCH | oklch(41.61% 0.168 273.2) |
| XYZ | xyz(9.7185, 6.5474, 36.3416) |
| Luminance | 0.0655 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.90
Blueberry
#464196
ΔE00 4.08
Ocean Blue
#4F42B5
ΔE00 4.79
Blue Blue
#2242C7
ΔE00 4.98
Darkslateblue
#483D8B
ΔE00 5.71
Cobalt
#0047AB
ΔE00 6.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#333BA5 #A59D33
analogous
#3374A5 #333BA5 #6433A5
triadic
#333BA5 #A5333B #3BA533
tetradic
#333BA5 #A53374 #A59D33 #33A564
square
#333BA5 #A53374 #A59D33 #33A564
split-complementary
#333BA5 #A56433 #74A533
monochromatic
#161A48 #252A76 #333BA5 #4D56C8 #7C82D6
Accessibility & contrast
On white
9.09
#333BA5 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.31
#333BA5 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #333BA5
9.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##333BA5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##333BA5 | 1.00 | 9.09 | 2.31 | 9.09 |
| #FFFFFF | 9.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EA8
Deuteranopia (green-blind)
#0043A3
Tritanopia (blue-blind)
#00566A
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #333ba5; /* rgb */ color: rgb(51, 59, 165); /* oklch */ color: oklch(41.6% 0.168 273.2);
Tailwind
colors: {
custom: {
50: '#7a71c1',
500: '#333ba5',
950: '#000000',
},
}SCSS
$custom: #333ba5; $custom-light: #7a71c1; $custom-dark: #000000;
JSON
{
"hex": "#333ba5",
"rgb": {
"r": 51,
"g": 59,
"b": 165
},
"hsl": {
"h": 235.789,
"s": 52.778,
"l": 42.353
},
"oklch": {
"l": 0.41608,
"c": 0.16801,
"h": 273.2
},
"luminance": 0.06548
}Semantic roles & 50–950 ramp
primary
#333BA5
secondary
#BFBA75
accent
#D24CDC
background
#F8F6FC
surface
#EFECF8
border
#CAC7D1
text
#0A0712
muted
#7C7A81