#2550A3#2550A3
#2550A3 is a dark, vivid blue. Relative luminance 0.088; OKLCH L 45.0% C 0.143 H 261.9°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).
Color values
| HEX | #2550A3 |
|---|---|
| RGB | rgb(37, 80, 163) |
| HSL | hsl(220, 63%, 39%) |
| HSV | hsv(220, 77%, 64%) |
| CMYK | cmyk(77.3%, 50.9%, 0%, 36.1%) |
| CIE-LAB | lab(35.55, 15.74, -49.17) |
| CIE-LCH | lch(35.55, 51.62, 287.75°) |
| OKLab | oklab(44.97% -0.0202 -0.1414) |
| OKLCH | oklch(44.97% 0.143 261.9) |
| XYZ | xyz(10.2401, 8.7738, 35.7971) |
| Luminance | 0.0877 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 2.92
Cobalt
#0047AB
ΔE00 3.20
Dusk Blue
#26538D
ΔE00 3.45
Cobalt (survey)
#1E488F
ΔE00 3.50
Denim Blue
#3B5B92
ΔE00 4.50
Light Navy Blue
#2E5A88
ΔE00 5.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2550A3 #A37825
analogous
#258FA3 #2550A3 #3925A3
triadic
#2550A3 #A32550 #50A325
tetradic
#2550A3 #A3258F #A37825 #25A339
square
#2550A3 #A3258F #A37825 #25A339
split-complementary
#2550A3 #A33925 #8FA325
monochromatic
#0E1F3F #1A3871 #2550A3 #346AD1 #668EDC
Accessibility & contrast
On white
7.62
#2550A3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.75
#2550A3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2550A3
7.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2550A3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2550A3 | 1.00 | 7.62 | 2.75 | 7.62 |
| #FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1D5AA6
Deuteranopia (green-blind)
#004EA1
Tritanopia (blue-blind)
#006472
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #2550a3; /* rgb */ color: rgb(37, 80, 163); /* oklch */ color: oklch(45.0% 0.143 261.9);
Tailwind
colors: {
custom: {
50: '#7380bf',
500: '#2550a3',
950: '#000000',
},
}SCSS
$custom: #2550a3; $custom-light: #7380bf; $custom-dark: #000000;
JSON
{
"hex": "#2550a3",
"rgb": {
"r": 37,
"g": 80,
"b": 163
},
"hsl": {
"h": 219.524,
"s": 63,
"l": 39.216
},
"oklch": {
"l": 0.44966,
"c": 0.14285,
"h": 261.9
},
"luminance": 0.08775
}Semantic roles & 50–950 ramp
primary
#2550A3
secondary
#C2A162
accent
#AE42E6
background
#F7F7FB
surface
#EDEEF7
border
#C8C9D0
text
#090A12
muted
#7B7C81