#1F446C#1F446C
#1F446C is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.0% C 0.081 H 252.3°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1F446C |
|---|---|
| RGB | rgb(31, 68, 108) |
| HSL | hsl(211, 55%, 27%) |
| HSV | hsv(211, 71%, 42%) |
| CMYK | cmyk(71.3%, 37%, 0%, 57.6%) |
| CIE-LAB | lab(28.13, 1.24, -27.12) |
| CIE-LCH | lch(28.13, 27.15, 272.62°) |
| OKLab | oklab(38.04% -0.0246 -0.077) |
| OKLCH | oklch(38.04% 0.081 252.3) |
| XYZ | xyz(5.3380, 5.5077, 14.9662) |
| Luminance | 0.0551 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Twilight Blue
#0A437A
ΔE00 2.41
Prussian Blue
#004577
ΔE00 2.72
Darkish Blue
#014182
ΔE00 3.44
Marine Blue
#01386A
ΔE00 4.06
Cobalt (survey)
#1E488F
ΔE00 4.84
Light Navy
#155084
ΔE00 4.91
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F446C #6C471F
analogous
#1F6B6C #1F446C #211F6C
triadic
#1F446C #6C1F44 #446C1F
tetradic
#1F446C #6C1F6B #6C471F #1F6C21
square
#1F446C #6C1F6B #6C471F #1F6C21
split-complementary
#1F446C #6C211F #6B6C1F
monochromatic
#070F18 #11263C #1F446C #2D629C #3E80C8
Accessibility & contrast
On white
9.99
#1F446C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#1F446C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F446C
9.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F446C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F446C | 1.00 | 9.99 | 2.10 | 9.99 |
| #FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#32466E
Deuteranopia (green-blind)
#273F6B
Tritanopia (blue-blind)
#004D53
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #1f446c; /* rgb */ color: rgb(31, 68, 108); /* oklch */ color: oklch(38.0% 0.081 252.3);
Tailwind
colors: {
custom: {
50: '#647796',
500: '#1f446c',
950: '#000000',
},
}SCSS
$custom: #1f446c; $custom-light: #647796; $custom-dark: #000000;
JSON
{
"hex": "#1f446c",
"rgb": {
"r": 31,
"g": 68,
"b": 108
},
"hsl": {
"h": 211.169,
"s": 55.396,
"l": 27.255
},
"oklch": {
"l": 0.38037,
"c": 0.0808,
"h": 252.3
},
"luminance": 0.05508
}Semantic roles & 50–950 ramp
primary
#1F446C
secondary
#A07547
accent
#9749DF
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#06080D
muted
#7A7B7E