#1F446F#1F446F
#1F446F is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.2% C 0.085 H 253.8°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).
Color values
| HEX | #1F446F |
|---|---|
| RGB | rgb(31, 68, 111) |
| HSL | hsl(212, 56%, 28%) |
| HSV | hsv(212, 72%, 44%) |
| CMYK | cmyk(72.1%, 38.7%, 0%, 56.5%) |
| CIE-LAB | lab(28.31, 2.42, -28.75) |
| CIE-LCH | lch(28.31, 28.86, 274.81°) |
| OKLab | oklab(38.23% -0.0237 -0.0817) |
| OKLCH | oklch(38.23% 0.085 253.8) |
| XYZ | xyz(5.5004, 5.5727, 15.8216) |
| Luminance | 0.0557 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Twilight Blue
#0A437A
ΔE00 2.09
Prussian Blue
#004577
ΔE00 2.77
Darkish Blue
#014182
ΔE00 3.06
Marine Blue
#01386A
ΔE00 3.96
Cobalt (survey)
#1E488F
ΔE00 4.41
Light Navy
#155084
ΔE00 4.87
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F446F #6F4A1F
analogous
#1F6C6F #1F446F #221F6F
triadic
#1F446F #6F1F44 #446F1F
tetradic
#1F446F #6F1F6C #6F4A1F #1F6F22
square
#1F446F #6F1F6C #6F4A1F #1F6F22
split-complementary
#1F446F #6F221F #6C6F1F
monochromatic
#070F18 #12273F #1F446F #2C619F #3F7FC9
Accessibility & contrast
On white
9.93
#1F446F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.11
#1F446F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F446F
9.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F446F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F446F | 1.00 | 9.93 | 2.11 | 9.93 |
| #FFFFFF | 9.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#314771
Deuteranopia (green-blind)
#253F6E
Tritanopia (blue-blind)
#004E54
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #1f446f; /* rgb */ color: rgb(31, 68, 111); /* oklch */ color: oklch(38.2% 0.085 253.8);
Tailwind
colors: {
custom: {
50: '#657798',
500: '#1f446f',
950: '#000000',
},
}SCSS
$custom: #1f446f; $custom-light: #657798; $custom-dark: #000000;
JSON
{
"hex": "#1f446f",
"rgb": {
"r": 31,
"g": 68,
"b": 111
},
"hsl": {
"h": 212.25,
"s": 56.338,
"l": 27.843
},
"oklch": {
"l": 0.38229,
"c": 0.08512,
"h": 253.8
},
"luminance": 0.05573
}Semantic roles & 50–950 ramp
primary
#1F446F
secondary
#A37847
accent
#9A48E0
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#06080E
muted
#7A7B7E