#10405C#10405C
#10405C is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.070 H 239.3°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).
Color values
| HEX | #10405C |
|---|---|
| RGB | rgb(16, 64, 92) |
| HSL | hsl(202, 70%, 21%) |
| HSV | hsv(202, 83%, 36%) |
| CMYK | cmyk(82.6%, 30.4%, 0%, 63.9%) |
| CIE-LAB | lab(25.41, -4.89, -21.16) |
| CIE-LCH | lch(25.41, 21.72, 256.99°) |
| OKLab | oklab(35.46% -0.0356 -0.0598) |
| OKLCH | oklch(35.46% 0.07 239.3) |
| XYZ | xyz(3.9781, 4.5492, 10.7916) |
| Luminance | 0.0455 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 2.58
Dark Grey Blue
#29465B
ΔE00 3.62
Dark Blue Grey
#1F3B4D
ΔE00 3.96
Prussian Blue
#004577
ΔE00 5.32
Twilight Blue
#0A437A
ΔE00 6.13
Marine Blue
#01386A
ΔE00 6.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#10405C #5C2C10
analogous
#105C52 #10405C #101A5C
triadic
#10405C #5C1040 #405C10
tetradic
#10405C #52105C #5C2C10 #1A5C10
square
#10405C #52105C #5C2C10 #1A5C10
split-complementary
#10405C #5C101A #5C5210
monochromatic
#05121A #071C28 #10405C #196490 #2289C4
Accessibility & contrast
On white
10.99
#10405C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#10405C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #10405C
10.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##10405C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##10405C | 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)
#33405D
Deuteranopia (green-blind)
#28395C
Tritanopia (blue-blind)
#00474A
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #10405c; /* rgb */ color: rgb(16, 64, 92); /* oklch */ color: oklch(35.5% 0.070 239.3);
Tailwind
colors: {
custom: {
50: '#5b748a',
500: '#10405c',
950: '#000000',
},
}SCSS
$custom: #10405c; $custom-light: #5b748a; $custom-dark: #000000;
JSON
{
"hex": "#10405c",
"rgb": {
"r": 16,
"g": 64,
"b": 92
},
"hsl": {
"h": 202.105,
"s": 70.37,
"l": 21.176
},
"oklch": {
"l": 0.35456,
"c": 0.06962,
"h": 239.3
},
"luminance": 0.0455
}Semantic roles & 50–950 ramp
primary
#10405C
secondary
#955733
accent
#7C3BED
background
#F5F7F8
surface
#E9EDF0
border
#C5C8CB
text
#04080B
muted
#797B7C