#1F5280#1F5280
#1F5280 is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.8% C 0.094 H 249.0°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).
Color values
| HEX | #1F5280 |
|---|---|
| RGB | rgb(31, 82, 128) |
| HSL | hsl(208, 61%, 31%) |
| HSV | hsv(208, 76%, 50%) |
| CMYK | cmyk(75.8%, 35.9%, 0%, 49.8%) |
| CIE-LAB | lab(33.74, -0.15, -30.79) |
| CIE-LCH | lch(33.74, 30.79, 269.72°) |
| OKLab | oklab(42.8% -0.0336 -0.0875) |
| OKLCH | oklch(42.8% 0.094 249) |
| XYZ | xyz(7.4772, 7.8836, 21.5455) |
| Luminance | 0.0788 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy
#155084
ΔE00 1.05
Dusk Blue
#26538D
ΔE00 2.61
Deep Sea Blue
#015482
ΔE00 2.79
Light Navy Blue
#2E5A88
ΔE00 2.96
Prussian Blue
#004577
ΔE00 4.31
Twilight Blue
#0A437A
ΔE00 5.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F5280 #804D1F
analogous
#1F807D #1F5280 #1F2180
triadic
#1F5280 #801F52 #52801F
tetradic
#1F5280 #7D1F80 #804D1F #21801F
square
#1F5280 #7D1F80 #804D1F #21801F
split-complementary
#1F5280 #801F21 #807D1F
monochromatic
#07131D #13324F #1F5280 #2B72B1 #4790D2
Accessibility & contrast
On white
8.15
#1F5280 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.58
#1F5280 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F5280
8.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F5280 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F5280 | 1.00 | 8.15 | 2.58 | 8.15 |
| #FFFFFF | 8.15 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.15 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3D5482
Deuteranopia (green-blind)
#2F4B7F
Tritanopia (blue-blind)
#005D63
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #1f5280; /* rgb */ color: rgb(31, 82, 128); /* oklch */ color: oklch(42.8% 0.094 249.0);
Tailwind
colors: {
custom: {
50: '#6982a5',
500: '#1f5280',
950: '#000000',
},
}SCSS
$custom: #1f5280; $custom-light: #6982a5; $custom-dark: #000000;
JSON
{
"hex": "#1f5280",
"rgb": {
"r": 31,
"g": 82,
"b": 128
},
"hsl": {
"h": 208.454,
"s": 61.006,
"l": 31.176
},
"oklch": {
"l": 0.42799,
"c": 0.0937,
"h": 249
},
"luminance": 0.07884
}Semantic roles & 50–950 ramp
primary
#1F5280
secondary
#B37B48
accent
#9044E4
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#070A0F
muted
#7A7C7F