#333B4E#333B4E
#333B4E is a dark, muted blue. Relative luminance 0.044; OKLCH L 35.3% C 0.035 H 266.9°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).
Color values
| HEX | #333B4E |
|---|---|
| RGB | rgb(51, 59, 78) |
| HSL | hsl(222, 21%, 25%) |
| HSV | hsv(222, 35%, 31%) |
| CMYK | cmyk(34.6%, 24.4%, 0%, 69.4%) |
| CIE-LAB | lab(24.89, 1.95, -12.64) |
| CIE-LCH | lch(24.89, 12.79, 278.75°) |
| OKLab | oklab(35.32% -0.0019 -0.0349) |
| OKLCH | oklch(35.32% 0.035 266.9) |
| XYZ | xyz(4.3040, 4.3816, 7.8252) |
| Luminance | 0.0438 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue
#1B2A4A
ΔE00 7.53
Charcoal
#36454F
ΔE00 7.76
Dark Blue Grey
#1F3B4D
ΔE00 7.94
Dark
#1B2431
ΔE00 8.07
Dark Grey Blue
#29465B
ΔE00 8.09
Gunmetal
#2A3439
ΔE00 8.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#333B4E #4E4633
analogous
#33484E #333B4E #38334E
triadic
#333B4E #4E333B #3B4E33
tetradic
#333B4E #4E3348 #4E4633 #334E38
square
#333B4E #4E3348 #4E4633 #334E38
split-complementary
#333B4E #4E3833 #484E33
monochromatic
#0C0E13 #1B1F29 #333B4E #4B5773 #637398
Accessibility & contrast
On white
11.19
#333B4E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.88
#333B4E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #333B4E
11.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##333B4E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##333B4E | 1.00 | 11.19 | 1.88 | 11.19 |
| #FFFFFF | 11.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.88 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#353C4F
Deuteranopia (green-blind)
#323A4E
Tritanopia (blue-blind)
#2B3F41
Achromatopsia (no color)
#3B3B3B
Design tokens & code
CSS
--color: #333b4e; /* rgb */ color: rgb(51, 59, 78); /* oklch */ color: oklch(35.3% 0.035 266.9);
Tailwind
colors: {
custom: {
50: '#6b707f',
500: '#333b4e',
950: '#000000',
},
}SCSS
$custom: #333b4e; $custom-light: #6b707f; $custom-dark: #000000;
JSON
{
"hex": "#333b4e",
"rgb": {
"r": 51,
"g": 59,
"b": 78
},
"hsl": {
"h": 222.222,
"s": 20.93,
"l": 25.294
},
"oklch": {
"l": 0.35317,
"c": 0.03494,
"h": 266.9
},
"luminance": 0.04382
}Semantic roles & 50–950 ramp
primary
#333B4E
secondary
#7F755E
accent
#A56ABD
background
#F6F6F7
surface
#EBECEE
border
#C6C7C9
text
#07070A
muted
#7A7A7C