#333A88#333A88
#333A88 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.9% C 0.129 H 274.9°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).
Color values
| HEX | #333A88 |
|---|---|
| RGB | rgb(51, 58, 136) |
| HSL | hsl(235, 45%, 37%) |
| HSV | hsv(235, 63%, 53%) |
| CMYK | cmyk(62.5%, 57.4%, 0%, 46.7%) |
| CIE-LAB | lab(28.13, 22.51, -44.66) |
| CIE-LCH | lch(28.13, 50.02, 296.75°) |
| OKLab | oklab(38.93% 0.0109 -0.1282) |
| OKLCH | oklch(38.93% 0.129 274.9) |
| XYZ | xyz(7.3208, 5.5069, 23.9649) |
| Luminance | 0.0551 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 3.87
Darkslateblue
#483D8B
ΔE00 3.93
Sapphire (survey)
#2138AB
ΔE00 5.61
Cobalt (survey)
#1E488F
ΔE00 6.86
Darkish Blue
#014182
ΔE00 7.63
Cobalt
#0047AB
ΔE00 7.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#333A88 #888133
analogous
#336588 #333A88 #573388
triadic
#333A88 #88333A #3A8833
tetradic
#333A88 #883365 #888133 #338857
square
#333A88 #883365 #888133 #338857
split-complementary
#333A88 #885733 #658833
monochromatic
#12142F #22275B #333A88 #444DB5 #6D75C8
Accessibility & contrast
On white
9.99
#333A88 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#333A88 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #333A88
9.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##333A88 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##333A88 | 1.00 | 9.99 | 2.10 | 9.99 |
| #FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00468B
Deuteranopia (green-blind)
#003F86
Tritanopia (blue-blind)
#004C5B
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #333a88; /* rgb */ color: rgb(51, 58, 136); /* oklch */ color: oklch(38.9% 0.129 274.9);
Tailwind
colors: {
custom: {
50: '#7470ab',
500: '#333a88',
950: '#000000',
},
}SCSS
$custom: #333a88; $custom-light: #7470ab; $custom-dark: #000000;
JSON
{
"hex": "#333a88",
"rgb": {
"r": 51,
"g": 58,
"b": 136
},
"hsl": {
"h": 235.059,
"s": 45.455,
"l": 36.667
},
"oklch": {
"l": 0.3893,
"c": 0.12867,
"h": 274.9
},
"luminance": 0.05507
}Semantic roles & 50–950 ramp
primary
#333A88
secondary
#B0AA67
accent
#CA53D5
background
#F7F6FA
surface
#EDECF4
border
#C8C7CE
text
#090710
muted
#7B7A7F