#1C576F#1C576F
#1C576F is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.0% C 0.071 H 229.1°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).
Color values
| HEX | #1C576F |
|---|---|
| RGB | rgb(28, 87, 111) |
| HSL | hsl(197, 60%, 27%) |
| HSV | hsv(197, 75%, 44%) |
| CMYK | cmyk(74.8%, 21.6%, 0%, 56.5%) |
| CIE-LAB | lab(34.42, -10.20, -19.19) |
| CIE-LCH | lch(34.42, 21.74, 242.00°) |
| OKLab | oklab(43.03% -0.0467 -0.0538) |
| OKLCH | oklch(43.03% 0.071 229.1) |
| XYZ | xyz(6.7552, 8.2102, 16.2646) |
| Luminance | 0.0821 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 6.66
Deep Sea Blue
#015482
ΔE00 7.02
Dark Grey Blue
#29465B
ΔE00 7.19
Ugly Blue
#31668A
ΔE00 7.40
Peacock Blue
#016795
ΔE00 8.11
Petrol
#005F6A
ΔE00 8.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C576F #6F341C
analogous
#1C6F5D #1C576F #1C2E6F
triadic
#1C576F #6F1C57 #576F1C
tetradic
#1C576F #5D1C6F #6F341C #2E6F1C
square
#1C576F #5D1C6F #6F341C #2E6F1C
split-complementary
#1C576F #6F1C2E #6F5D1C
monochromatic
#061318 #10313E #1C576F #287DA0 #38A2CD
Accessibility & contrast
On white
7.95
#1C576F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.64
#1C576F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C576F
7.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C576F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C576F | 1.00 | 7.95 | 2.64 | 7.95 |
| #FFFFFF | 7.95 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.64 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.95 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B5670
Deuteranopia (green-blind)
#3F4D6F
Tritanopia (blue-blind)
#005E5F
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #1c576f; /* rgb */ color: rgb(28, 87, 111); /* oklch */ color: oklch(43.0% 0.071 229.1);
Tailwind
colors: {
custom: {
50: '#658698',
500: '#1c576f',
950: '#000000',
},
}SCSS
$custom: #1c576f; $custom-light: #658698; $custom-dark: #000000;
JSON
{
"hex": "#1c576f",
"rgb": {
"r": 28,
"g": 87,
"b": 111
},
"hsl": {
"h": 197.349,
"s": 59.712,
"l": 27.255
},
"oklch": {
"l": 0.43029,
"c": 0.07126,
"h": 229.1
},
"luminance": 0.08211
}Semantic roles & 50–950 ramp
primary
#1C576F
secondary
#A45F43
accent
#7345E3
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060B0D
muted
#7A7C7E