#1D576C#1D576C
#1D576C is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 42.9% C 0.068 H 225.9°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).
Color values
| HEX | #1D576C |
|---|---|
| RGB | rgb(29, 87, 108) |
| HSL | hsl(196, 58%, 27%) |
| HSV | hsv(196, 73%, 42%) |
| CMYK | cmyk(73.1%, 19.4%, 0%, 57.6%) |
| CIE-LAB | lab(34.31, -11.14, -17.48) |
| CIE-LCH | lch(34.31, 20.73, 237.49°) |
| OKLab | oklab(42.91% -0.0474 -0.0489) |
| OKLCH | oklch(42.91% 0.068 225.9) |
| XYZ | xyz(6.6206, 8.1596, 15.4105) |
| Luminance | 0.0816 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Petrol
#005F6A
ΔE00 7.13
Dark Slate Blue
#214761
ΔE00 7.37
Dark Grey Blue
#29465B
ΔE00 7.67
Ugly Blue
#31668A
ΔE00 8.33
Deep Sea Blue
#015482
ΔE00 8.41
Deep Teal
#00555A
ΔE00 9.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D576C #6C321D
analogous
#1D6C5A #1D576C #1D306C
triadic
#1D576C #6C1D57 #576C1D
tetradic
#1D576C #5A1D6C #6C321D #306C1D
square
#1D576C #5A1D6C #6C321D #306C1D
split-complementary
#1D576C #6C1D30 #6C5A1D
monochromatic
#061318 #10303C #1D576C #2A7E9C #39A4CA
Accessibility & contrast
On white
7.98
#1D576C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#1D576C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D576C
7.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D576C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D576C | 1.00 | 7.98 | 2.63 | 7.98 |
| #FFFFFF | 7.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C556D
Deuteranopia (green-blind)
#414D6C
Tritanopia (blue-blind)
#005D5E
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #1d576c; /* rgb */ color: rgb(29, 87, 108); /* oklch */ color: oklch(42.9% 0.068 225.9);
Tailwind
colors: {
custom: {
50: '#648696',
500: '#1d576c',
950: '#000000',
},
}SCSS
$custom: #1d576c; $custom-light: #648696; $custom-dark: #000000;
JSON
{
"hex": "#1d576c",
"rgb": {
"r": 29,
"g": 87,
"b": 108
},
"hsl": {
"h": 195.949,
"s": 57.664,
"l": 26.863
},
"oklch": {
"l": 0.42911,
"c": 0.06808,
"h": 225.9
},
"luminance": 0.0816
}Semantic roles & 50–950 ramp
primary
#1D576C
secondary
#A15D44
accent
#7047E1
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060B0D
muted
#7A7C7E