#1F5572#1F5572
#1F5572 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 42.8% C 0.074 H 235.8°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).
Color values
| HEX | #1F5572 |
|---|---|
| RGB | rgb(31, 85, 114) |
| HSL | hsl(201, 57%, 28%) |
| HSV | hsv(201, 73%, 45%) |
| CMYK | cmyk(72.8%, 25.4%, 0%, 55.3%) |
| CIE-LAB | lab(33.99, -7.39, -21.72) |
| CIE-LCH | lch(33.99, 22.94, 251.20°) |
| OKLab | oklab(42.76% -0.0415 -0.0611) |
| OKLCH | oklch(42.76% 0.074 235.8) |
| XYZ | xyz(6.8496, 8.0025, 17.1000) |
| Luminance | 0.0800 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 4.33
Dark Slate Blue
#214761
ΔE00 5.02
Dark Grey Blue
#29465B
ΔE00 5.99
Light Navy
#155084
ΔE00 6.27
Ugly Blue
#31668A
ΔE00 6.43
Light Navy Blue
#2E5A88
ΔE00 6.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F5572 #723C1F
analogous
#1F7265 #1F5572 #1F2B72
triadic
#1F5572 #721F55 #55721F
tetradic
#1F5572 #651F72 #723C1F #2B721F
square
#1F5572 #651F72 #723C1F #2B721F
split-complementary
#1F5572 #721F2B #72651F
monochromatic
#071218 #123142 #1F5572 #2C79A2 #409BCB
Accessibility & contrast
On white
8.08
#1F5572 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.60
#1F5572 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F5572
8.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F5572 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F5572 | 1.00 | 8.08 | 2.60 | 8.08 |
| #FFFFFF | 8.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.60 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#475473
Deuteranopia (green-blind)
#3C4C72
Tritanopia (blue-blind)
#005D5F
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1f5572; /* rgb */ color: rgb(31, 85, 114); /* oklch */ color: oklch(42.8% 0.074 235.8);
Tailwind
colors: {
custom: {
50: '#66849a',
500: '#1f5572',
950: '#000000',
},
}SCSS
$custom: #1f5572; $custom-light: #66849a; $custom-dark: #000000;
JSON
{
"hex": "#1f5572",
"rgb": {
"r": 31,
"g": 85,
"b": 114
},
"hsl": {
"h": 200.964,
"s": 57.241,
"l": 28.431
},
"oklch": {
"l": 0.42759,
"c": 0.07385,
"h": 235.8
},
"luminance": 0.08003
}Semantic roles & 50–950 ramp
primary
#1F5572
secondary
#A66847
accent
#7D47E0
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060B0E
muted
#7A7C7E