#1F50A8#1F50A8
#1F50A8 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.1% C 0.151 H 261.0°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).
Color values
| HEX | #1F50A8 |
|---|---|
| RGB | rgb(31, 80, 168) |
| HSL | hsl(219, 69%, 39%) |
| HSV | hsv(219, 82%, 66%) |
| CMYK | cmyk(81.5%, 52.4%, 0%, 34.1%) |
| CIE-LAB | lab(35.70, 17.05, -51.91) |
| CIE-LCH | lch(35.70, 54.64, 288.18°) |
| OKLab | oklab(45.14% -0.0236 -0.1496) |
| OKLCH | oklch(45.14% 0.151 261) |
| XYZ | xyz(10.4991, 8.8545, 38.1939) |
| Luminance | 0.0886 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 2.27
Cobalt
#0047AB
ΔE00 2.96
Dusk Blue
#26538D
ΔE00 3.79
Cobalt (survey)
#1E488F
ΔE00 3.92
Denim Blue
#3B5B92
ΔE00 4.89
Light Navy Blue
#2E5A88
ΔE00 5.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F50A8 #A8771F
analogous
#1F95A8 #1F50A8 #331FA8
triadic
#1F50A8 #A81F50 #50A81F
tetradic
#1F50A8 #A81F95 #A8771F #1FA833
square
#1F50A8 #A81F95 #A8771F #1FA833
split-complementary
#1F50A8 #A8331F #95A81F
monochromatic
#0C1F41 #153774 #1F50A8 #2C6AD8 #608EE2
Accessibility & contrast
On white
7.58
#1F50A8 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.77
#1F50A8 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F50A8
7.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F50A8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F50A8 | 1.00 | 7.58 | 2.77 | 7.58 |
| #FFFFFF | 7.58 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.77 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.58 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#135BAB
Deuteranopia (green-blind)
#004EA6
Tritanopia (blue-blind)
#006574
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #1f50a8; /* rgb */ color: rgb(31, 80, 168); /* oklch */ color: oklch(45.1% 0.151 261.0);
Tailwind
colors: {
custom: {
50: '#7280c2',
500: '#1f50a8',
950: '#000000',
},
}SCSS
$custom: #1f50a8; $custom-light: #7280c2; $custom-dark: #000000;
JSON
{
"hex": "#1f50a8",
"rgb": {
"r": 31,
"g": 80,
"b": 168
},
"hsl": {
"h": 218.54,
"s": 68.844,
"l": 39.02
},
"oklch": {
"l": 0.45144,
"c": 0.15142,
"h": 261
},
"luminance": 0.08856
}Semantic roles & 50–950 ramp
primary
#1F50A8
secondary
#C6A05D
accent
#AD3CEC
background
#F7F7FC
surface
#EDEEF8
border
#C8C9D1
text
#090A12
muted
#7B7C81