#1C536F#1C536F
#1C536F is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.0% C 0.073 H 234.7°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).
Color values
| HEX | #1C536F |
|---|---|
| RGB | rgb(28, 83, 111) |
| HSL | hsl(200, 60%, 27%) |
| HSV | hsv(200, 75%, 44%) |
| CMYK | cmyk(74.8%, 25.2%, 0%, 56.5%) |
| CIE-LAB | lab(33.09, -7.77, -21.25) |
| CIE-LCH | lch(33.09, 22.62, 249.92°) |
| OKLab | oklab(41.97% -0.0423 -0.0598) |
| OKLCH | oklch(41.97% 0.073 234.7) |
| XYZ | xyz(6.4403, 7.5804, 16.1596) |
| Luminance | 0.0758 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 4.57
Deep Sea Blue
#015482
ΔE00 4.76
Dark Grey Blue
#29465B
ΔE00 5.53
Light Navy
#155084
ΔE00 6.63
Light Navy Blue
#2E5A88
ΔE00 7.15
Ugly Blue
#31668A
ΔE00 7.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C536F #6F381C
analogous
#1C6F62 #1C536F #1C2A6F
triadic
#1C536F #6F1C53 #536F1C
tetradic
#1C536F #621C6F #6F381C #2A6F1C
square
#1C536F #621C6F #6F381C #2A6F1C
split-complementary
#1C536F #6F1C2A #6F621C
monochromatic
#061218 #102E3E #1C536F #2878A0 #389BCD
Accessibility & contrast
On white
8.35
#1C536F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.52
#1C536F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C536F
8.35:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C536F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C536F | 1.00 | 8.35 | 2.52 | 8.35 |
| #FFFFFF | 8.35 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.35 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#455270
Deuteranopia (green-blind)
#3A4A6F
Tritanopia (blue-blind)
#005A5C
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #1c536f; /* rgb */ color: rgb(28, 83, 111); /* oklch */ color: oklch(42.0% 0.073 234.7);
Tailwind
colors: {
custom: {
50: '#648398',
500: '#1c536f',
950: '#000000',
},
}SCSS
$custom: #1c536f; $custom-light: #648398; $custom-dark: #000000;
JSON
{
"hex": "#1c536f",
"rgb": {
"r": 28,
"g": 83,
"b": 111
},
"hsl": {
"h": 200.241,
"s": 59.712,
"l": 27.255
},
"oklch": {
"l": 0.41974,
"c": 0.07321,
"h": 234.7
},
"luminance": 0.07581
}Semantic roles & 50–950 ramp
primary
#1C536F
secondary
#A46443
accent
#7A45E3
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060A0D
muted
#7A7C7E