#1F5182#1F5182
#1F5182 is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.7% C 0.097 H 250.8°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).
Color values
| HEX | #1F5182 |
|---|---|
| RGB | rgb(31, 81, 130) |
| HSL | hsl(210, 61%, 32%) |
| HSV | hsv(210, 76%, 51%) |
| CMYK | cmyk(76.2%, 37.7%, 0%, 49%) |
| CIE-LAB | lab(33.54, 1.28, -32.34) |
| CIE-LCH | lch(33.54, 32.37, 272.27°) |
| OKLab | oklab(42.68% -0.032 -0.0921) |
| OKLCH | oklch(42.68% 0.097 250.8) |
| XYZ | xyz(7.5353, 7.7870, 22.2207) |
| Luminance | 0.0779 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy
#155084
ΔE00 0.82
Dusk Blue
#26538D
ΔE00 2.09
Light Navy Blue
#2E5A88
ΔE00 3.12
Deep Sea Blue
#015482
ΔE00 3.43
Prussian Blue
#004577
ΔE00 4.08
Cobalt (survey)
#1E488F
ΔE00 4.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F5182 #82501F
analogous
#1F8282 #1F5182 #1F2082
triadic
#1F5182 #821F51 #51821F
tetradic
#1F5182 #821F82 #82501F #20821F
square
#1F5182 #821F82 #82501F #20821F
split-complementary
#1F5182 #821F20 #82821F
monochromatic
#07131F #133251 #1F5182 #2B70B3 #488ED3
Accessibility & contrast
On white
8.21
#1F5182 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.56
#1F5182 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F5182
8.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F5182 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F5182 | 1.00 | 8.21 | 2.56 | 8.21 |
| #FFFFFF | 8.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.56 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3A5484
Deuteranopia (green-blind)
#2C4B81
Tritanopia (blue-blind)
#005D63
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #1f5182; /* rgb */ color: rgb(31, 81, 130); /* oklch */ color: oklch(42.7% 0.097 250.8);
Tailwind
colors: {
custom: {
50: '#6981a6',
500: '#1f5182',
950: '#000000',
},
}SCSS
$custom: #1f5182; $custom-light: #6981a6; $custom-dark: #000000;
JSON
{
"hex": "#1f5182",
"rgb": {
"r": 31,
"g": 81,
"b": 130
},
"hsl": {
"h": 209.697,
"s": 61.491,
"l": 31.569
},
"oklch": {
"l": 0.42676,
"c": 0.09745,
"h": 250.8
},
"luminance": 0.07788
}Semantic roles & 50–950 ramp
primary
#1F5182
secondary
#B57E48
accent
#9343E5
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A0F
muted
#7A7C7F