#12405B#12405B
#12405B is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.5% C 0.068 H 239.0°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).
Color values
| HEX | #12405B |
|---|---|
| RGB | rgb(18, 64, 91) |
| HSL | hsl(202, 67%, 21%) |
| HSV | hsv(202, 80%, 36%) |
| CMYK | cmyk(80.2%, 29.7%, 0%, 64.3%) |
| CIE-LAB | lab(25.41, -5.02, -20.50) |
| CIE-LCH | lch(25.41, 21.11, 256.25°) |
| OKLab | oklab(35.46% -0.0348 -0.0579) |
| OKLCH | oklch(35.46% 0.068 239) |
| XYZ | xyz(3.9704, 4.5503, 10.5645) |
| Luminance | 0.0455 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 2.51
Dark Grey Blue
#29465B
ΔE00 3.41
Dark Blue Grey
#1F3B4D
ΔE00 3.67
Prussian Blue
#004577
ΔE00 5.60
Twilight Blue
#0A437A
ΔE00 6.37
Marine Blue
#01386A
ΔE00 6.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#12405B #5B2D12
analogous
#125B52 #12405B #121C5B
triadic
#12405B #5B1240 #405B12
tetradic
#12405B #52125B #5B2D12 #1C5B12
square
#12405B #52125B #5B2D12 #1C5B12
split-complementary
#12405B #5B121C #5B5212
monochromatic
#05121A #081C28 #12405B #1C648E #2688C1
Accessibility & contrast
On white
10.99
#12405B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#12405B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #12405B
10.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##12405B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##12405B | 1.00 | 10.99 | 1.91 | 10.99 |
| #FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#33405C
Deuteranopia (green-blind)
#29395B
Tritanopia (blue-blind)
#004749
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #12405b; /* rgb */ color: rgb(18, 64, 91); /* oklch */ color: oklch(35.5% 0.068 239.0);
Tailwind
colors: {
custom: {
50: '#5c7489',
500: '#12405b',
950: '#000000',
},
}SCSS
$custom: #12405b; $custom-light: #5c7489; $custom-dark: #000000;
JSON
{
"hex": "#12405b",
"rgb": {
"r": 18,
"g": 64,
"b": 91
},
"hsl": {
"h": 202.192,
"s": 66.972,
"l": 21.373
},
"oklch": {
"l": 0.35457,
"c": 0.06757,
"h": 239
},
"luminance": 0.04551
}Semantic roles & 50–950 ramp
primary
#12405B
secondary
#935835
accent
#7E3EEA
background
#F5F7F8
surface
#E9EDF0
border
#C5C8CB
text
#04080B
muted
#797B7C