#1F4372#1F4372
#1F4372 is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.2% C 0.091 H 256.0°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).
Color values
| HEX | #1F4372 |
|---|---|
| RGB | rgb(31, 67, 114) |
| HSL | hsl(214, 57%, 28%) |
| HSV | hsv(214, 73%, 45%) |
| CMYK | cmyk(72.8%, 41.2%, 0%, 55.3%) |
| CIE-LAB | lab(28.17, 4.28, -30.88) |
| CIE-LCH | lch(28.17, 31.17, 277.89°) |
| OKLab | oklab(38.18% -0.0219 -0.088) |
| OKLCH | oklch(38.18% 0.091 256) |
| XYZ | xyz(5.6084, 5.5199, 16.6862) |
| Luminance | 0.0552 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Twilight Blue
#0A437A
ΔE00 2.04
Darkish Blue
#014182
ΔE00 2.69
Prussian Blue
#004577
ΔE00 3.21
Marine Blue
#01386A
ΔE00 3.73
Cobalt (survey)
#1E488F
ΔE00 4.05
Light Navy
#155084
ΔE00 5.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F4372 #724E1F
analogous
#1F6C72 #1F4372 #241F72
triadic
#1F4372 #721F43 #43721F
tetradic
#1F4372 #721F6C #724E1F #1F7224
square
#1F4372 #721F6C #724E1F #1F7224
split-complementary
#1F4372 #72241F #6C721F
monochromatic
#070E18 #122742 #1F4372 #2C5FA2 #407CCB
Accessibility & contrast
On white
9.98
#1F4372 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#1F4372 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F4372
9.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F4372 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F4372 | 1.00 | 9.98 | 2.10 | 9.98 |
| #FFFFFF | 9.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2D4774
Deuteranopia (green-blind)
#213F71
Tritanopia (blue-blind)
#004E55
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #1f4372; /* rgb */ color: rgb(31, 67, 114); /* oklch */ color: oklch(38.2% 0.091 256.0);
Tailwind
colors: {
custom: {
50: '#66769b',
500: '#1f4372',
950: '#000000',
},
}SCSS
$custom: #1f4372; $custom-light: #66769b; $custom-dark: #000000;
JSON
{
"hex": "#1f4372",
"rgb": {
"r": 31,
"g": 67,
"b": 114
},
"hsl": {
"h": 213.976,
"s": 57.241,
"l": 28.431
},
"oklch": {
"l": 0.38177,
"c": 0.09066,
"h": 256
},
"luminance": 0.05521
}Semantic roles & 50–950 ramp
primary
#1F4372
secondary
#A67D47
accent
#9E47E0
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#06080E
muted
#7A7B7E