#1D5671#1D5671
#1D5671 is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 42.9% C 0.073 H 232.8°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).
Color values
| HEX | #1D5671 |
|---|---|
| RGB | rgb(29, 86, 113) |
| HSL | hsl(199, 59%, 28%) |
| HSV | hsv(199, 74%, 44%) |
| CMYK | cmyk(74.3%, 23.9%, 0%, 55.7%) |
| CIE-LAB | lab(34.21, -8.70, -20.76) |
| CIE-LCH | lch(34.21, 22.51, 247.26°) |
| OKLab | oklab(42.9% -0.0442 -0.0583) |
| OKLCH | oklch(42.9% 0.073 232.8) |
| XYZ | xyz(6.8139, 8.1083, 16.8255) |
| Luminance | 0.0811 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 5.44
Dark Slate Blue
#214761
ΔE00 5.69
Dark Grey Blue
#29465B
ΔE00 6.48
Ugly Blue
#31668A
ΔE00 6.70
Peacock Blue
#016795
ΔE00 7.41
Light Navy
#155084
ΔE00 7.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D5671 #71381D
analogous
#1D7162 #1D5671 #1D2C71
triadic
#1D5671 #711D56 #56711D
tetradic
#1D5671 #621D71 #71381D #2C711D
square
#1D5671 #621D71 #71381D #2C711D
split-complementary
#1D5671 #711D2C #71621D
monochromatic
#061318 #113140 #1D5671 #297BA2 #3C9ECD
Accessibility & contrast
On white
8.01
#1D5671 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.62
#1D5671 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D5671
8.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D5671 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D5671 | 1.00 | 8.01 | 2.62 | 8.01 |
| #FFFFFF | 8.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#495572
Deuteranopia (green-blind)
#3D4D71
Tritanopia (blue-blind)
#005D5F
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1d5671; /* rgb */ color: rgb(29, 86, 113); /* oklch */ color: oklch(42.9% 0.073 232.8);
Tailwind
colors: {
custom: {
50: '#65859a',
500: '#1d5671',
950: '#000000',
},
}SCSS
$custom: #1d5671; $custom-light: #65859a; $custom-dark: #000000;
JSON
{
"hex": "#1d5671",
"rgb": {
"r": 29,
"g": 86,
"b": 113
},
"hsl": {
"h": 199.286,
"s": 59.155,
"l": 27.843
},
"oklch": {
"l": 0.42901,
"c": 0.0732,
"h": 232.8
},
"luminance": 0.08109
}Semantic roles & 50–950 ramp
primary
#1D5671
secondary
#A56444
accent
#7845E2
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060B0E
muted
#7A7C7E