#1F50A6#1F50A6
#1F50A6 is a dark, vivid blue. Relative luminance 0.088; OKLCH L 45.0% C 0.149 H 260.8°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).
Color values
| HEX | #1F50A6 |
|---|---|
| RGB | rgb(31, 80, 166) |
| HSL | hsl(218, 69%, 39%) |
| HSV | hsv(218, 81%, 65%) |
| CMYK | cmyk(81.3%, 51.8%, 0%, 34.9%) |
| CIE-LAB | lab(35.56, 16.25, -50.95) |
| CIE-LCH | lch(35.56, 53.48, 287.70°) |
| OKLab | oklab(44.99% -0.0239 -0.1467) |
| OKLCH | oklch(44.99% 0.149 260.8) |
| XYZ | xyz(10.3142, 8.7806, 37.2202) |
| Luminance | 0.0878 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 2.51
Cobalt
#0047AB
ΔE00 3.04
Dusk Blue
#26538D
ΔE00 3.54
Cobalt (survey)
#1E488F
ΔE00 3.72
Denim Blue
#3B5B92
ΔE00 4.77
Light Navy Blue
#2E5A88
ΔE00 5.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F50A6 #A6751F
analogous
#1F93A6 #1F50A6 #311FA6
triadic
#1F50A6 #A61F50 #50A61F
tetradic
#1F50A6 #A61F93 #A6751F #1FA631
square
#1F50A6 #A61F93 #A6751F #1FA631
split-complementary
#1F50A6 #A6311F #93A61F
monochromatic
#0C1E3F #153772 #1F50A6 #2B69D7 #5E8EE1
Accessibility & contrast
On white
7.62
#1F50A6 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.76
#1F50A6 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F50A6
7.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F50A6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F50A6 | 1.00 | 7.62 | 2.76 | 7.62 |
| #FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.76 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#175AA9
Deuteranopia (green-blind)
#004EA4
Tritanopia (blue-blind)
#006573
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #1f50a6; /* rgb */ color: rgb(31, 80, 166); /* oklch */ color: oklch(45.0% 0.149 260.8);
Tailwind
colors: {
custom: {
50: '#7180c1',
500: '#1f50a6',
950: '#000000',
},
}SCSS
$custom: #1f50a6; $custom-light: #7180c1; $custom-dark: #000000;
JSON
{
"hex": "#1f50a6",
"rgb": {
"r": 31,
"g": 80,
"b": 166
},
"hsl": {
"h": 218.222,
"s": 68.528,
"l": 38.627
},
"oklch": {
"l": 0.44988,
"c": 0.14868,
"h": 260.8
},
"luminance": 0.08782
}Semantic roles & 50–950 ramp
primary
#1F50A6
secondary
#C59F5B
accent
#AC3CEB
background
#F7F7FB
surface
#EDEEF7
border
#C8C9D0
text
#090A12
muted
#7B7C81