#1F446A#1F446A
#1F446A is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 37.9% C 0.078 H 251.1°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).
Color values
| HEX | #1F446A |
|---|---|
| RGB | rgb(31, 68, 106) |
| HSL | hsl(210, 55%, 27%) |
| HSV | hsv(210, 71%, 42%) |
| CMYK | cmyk(70.8%, 35.8%, 0%, 58.4%) |
| CIE-LAB | lab(28.02, 0.46, -26.03) |
| CIE-LCH | lch(28.02, 26.03, 271.01°) |
| OKLab | oklab(37.91% -0.0252 -0.0738) |
| OKLCH | oklch(37.91% 0.078 251.1) |
| XYZ | xyz(5.2328, 5.4656, 14.4121) |
| Luminance | 0.0547 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Twilight Blue
#0A437A
ΔE00 2.70
Prussian Blue
#004577
ΔE00 2.77
Darkish Blue
#014182
ΔE00 3.74
Marine Blue
#01386A
ΔE00 4.20
Dark Slate Blue
#214761
ΔE00 4.61
Light Navy
#155084
ΔE00 4.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F446A #6A451F
analogous
#1F6A6A #1F446A #1F1F6A
triadic
#1F446A #6A1F44 #446A1F
tetradic
#1F446A #6A1F6A #6A451F #1F6A1F
square
#1F446A #6A1F6A #6A451F #1F6A1F
split-complementary
#1F446A #6A1F1F #6A6A1F
monochromatic
#070F18 #11263B #1F446A #2D6299 #3D81C6
Accessibility & contrast
On white
10.03
#1F446A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.09
#1F446A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F446A
10.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F446A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F446A | 1.00 | 10.03 | 2.09 | 10.03 |
| #FFFFFF | 10.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#33466C
Deuteranopia (green-blind)
#293F69
Tritanopia (blue-blind)
#004D52
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #1f446a; /* rgb */ color: rgb(31, 68, 106); /* oklch */ color: oklch(37.9% 0.078 251.1);
Tailwind
colors: {
custom: {
50: '#647795',
500: '#1f446a',
950: '#000000',
},
}SCSS
$custom: #1f446a; $custom-light: #647795; $custom-dark: #000000;
JSON
{
"hex": "#1f446a",
"rgb": {
"r": 31,
"g": 68,
"b": 106
},
"hsl": {
"h": 210.4,
"s": 54.745,
"l": 26.863
},
"oklch": {
"l": 0.37912,
"c": 0.07795,
"h": 251.1
},
"luminance": 0.05466
}Semantic roles & 50–950 ramp
primary
#1F446A
secondary
#9E7347
accent
#954ADE
background
#F6F7F9
surface
#EBEDF1
border
#C6C8CB
text
#06080D
muted
#7A7B7E