#0B3543#0B3543
#0B3543 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.8% C 0.051 H 224.8°. Best body text is #FFFFFF at 13.09:1 contrast (WCAG AA passes).
Color values
| HEX | #0B3543 |
|---|---|
| RGB | rgb(11, 53, 67) |
| HSL | hsl(195, 72%, 15%) |
| HSV | hsv(195, 84%, 26%) |
| CMYK | cmyk(83.6%, 20.9%, 0%, 73.7%) |
| CIE-LAB | lab(20.13, -8.57, -12.80) |
| CIE-LCH | lch(20.13, 15.41, 236.18°) |
| OKLab | oklab(30.79% -0.0361 -0.0359) |
| OKLCH | oklch(30.79% 0.051 224.8) |
| XYZ | xyz(2.4238, 3.0223, 5.7647) |
| Luminance | 0.0302 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 4.82
Gunmetal
#2A3439
ΔE00 7.68
Dark Grey Blue
#29465B
ΔE00 7.76
Charcoal
#36454F
ΔE00 8.37
Dark Slate Blue
#214761
ΔE00 8.40
Dark
#1B2431
ΔE00 10.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0B3543 #43190B
analogous
#0B4335 #0B3543 #0B1943
triadic
#0B3543 #430B35 #35430B
tetradic
#0B3543 #350B43 #43190B #19430B
square
#0B3543 #350B43 #43190B #19430B
split-complementary
#0B3543 #430B19 #43350B
monochromatic
#04151A #04151A #0B3543 #145F78 #1C88AC
Accessibility & contrast
On white
13.09
#0B3543 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.60
#0B3543 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0B3543
13.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0B3543 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0B3543 | 1.00 | 13.09 | 1.60 | 13.09 |
| #FFFFFF | 13.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.60 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 13.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2D3444
Deuteranopia (green-blind)
#262E43
Tritanopia (blue-blind)
#00393A
Achromatopsia (no color)
#313131
Design tokens & code
CSS
--color: #0b3543; /* rgb */ color: rgb(11, 53, 67); /* oklch */ color: oklch(30.8% 0.051 224.8);
Tailwind
colors: {
custom: {
50: '#546c77',
500: '#0b3543',
950: '#000000',
},
}SCSS
$custom: #0b3543; $custom-light: #546c77; $custom-dark: #000000;
JSON
{
"hex": "#0b3543",
"rgb": {
"r": 11,
"g": 53,
"b": 67
},
"hsl": {
"h": 195,
"s": 71.795,
"l": 15.294
},
"oklch": {
"l": 0.30793,
"c": 0.05092,
"h": 224.8
},
"luminance": 0.03023
}Semantic roles & 50–950 ramp
primary
#0B3543
secondary
#80402A
accent
#6739EF
background
#F5F6F7
surface
#E9EBED
border
#C5C6C8
text
#030708
muted
#787A7B