#1F5671#1F5671
#1F5671 is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.0% C 0.072 H 233.5°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1F5671 |
|---|---|
| RGB | rgb(31, 86, 113) |
| HSL | hsl(200, 57%, 28%) |
| HSV | hsv(200, 73%, 44%) |
| CMYK | cmyk(72.6%, 23.9%, 0%, 55.7%) |
| CIE-LAB | lab(34.27, -8.38, -20.66) |
| CIE-LCH | lch(34.27, 22.29, 247.93°) |
| OKLab | oklab(42.97% -0.043 -0.058) |
| OKLCH | oklch(42.97% 0.072 233.5) |
| XYZ | xyz(6.8723, 8.1384, 16.8283) |
| Luminance | 0.0814 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 5.30
Dark Slate Blue
#214761
ΔE00 5.58
Dark Grey Blue
#29465B
ΔE00 6.36
Ugly Blue
#31668A
ΔE00 6.58
Light Navy
#155084
ΔE00 7.32
Light Navy Blue
#2E5A88
ΔE00 7.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F5671 #713A1F
analogous
#1F7163 #1F5671 #1F2D71
triadic
#1F5671 #711F56 #56711F
tetradic
#1F5671 #631F71 #713A1F #2D711F
square
#1F5671 #631F71 #713A1F #2D711F
split-complementary
#1F5671 #711F2D #71631F
monochromatic
#071218 #123141 #1F5671 #2C7BA1 #409DCB
Accessibility & contrast
On white
7.99
#1F5671 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#1F5671 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F5671
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F5671 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F5671 | 1.00 | 7.99 | 2.63 | 7.99 |
| #FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#495572
Deuteranopia (green-blind)
#3E4D71
Tritanopia (blue-blind)
#005D5F
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #1f5671; /* rgb */ color: rgb(31, 86, 113); /* oklch */ color: oklch(43.0% 0.072 233.5);
Tailwind
colors: {
custom: {
50: '#66859a',
500: '#1f5671',
950: '#000000',
},
}SCSS
$custom: #1f5671; $custom-light: #66859a; $custom-dark: #000000;
JSON
{
"hex": "#1f5671",
"rgb": {
"r": 31,
"g": 86,
"b": 113
},
"hsl": {
"h": 199.756,
"s": 56.944,
"l": 28.235
},
"oklch": {
"l": 0.42968,
"c": 0.07222,
"h": 233.5
},
"luminance": 0.08139
}Semantic roles & 50–950 ramp
primary
#1F5671
secondary
#A56647
accent
#7A48E0
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060B0E
muted
#7A7C7E