#2550BD#2550BD
#2550BD is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.0% C 0.178 H 264.2°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).
Color values
| HEX | #2550BD |
|---|---|
| RGB | rgb(37, 80, 189) |
| HSL | hsl(223, 67%, 44%) |
| HSV | hsv(223, 80%, 74%) |
| CMYK | cmyk(80.4%, 57.7%, 0%, 25.9%) |
| CIE-LAB | lab(37.49, 25.83, -61.41) |
| CIE-LCH | lch(37.49, 66.62, 292.81°) |
| OKLab | oklab(47.05% -0.0179 -0.1774) |
| OKLCH | oklch(47.05% 0.178 264.2) |
| XYZ | xyz(12.8136, 9.8032, 49.3511) |
| Luminance | 0.0980 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 2.06
Cobalt
#0047AB
ΔE00 4.03
Blue Blue
#2242C7
ΔE00 4.83
Blue (survey)
#0343DF
ΔE00 5.83
Denim
#1560BD
ΔE00 6.35
Warm Blue
#4B57DB
ΔE00 6.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2550BD #BD9225
analogous
#259CBD #2550BD #4625BD
triadic
#2550BD #BD2550 #50BD25
tetradic
#2550BD #BD259C #BD9225 #25BD46
square
#2550BD #BD259C #BD9225 #25BD46
split-complementary
#2550BD #BD4625 #9CBD25
monochromatic
#112557 #1B3A8A #2550BD #456FDB #7897E5
Accessibility & contrast
On white
7.09
#2550BD on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.96
#2550BD on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2550BD
7.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2550BD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2550BD | 1.00 | 7.09 | 2.96 | 7.09 |
| #FFFFFF | 7.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.96 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005FC1
Deuteranopia (green-blind)
#0051BB
Tritanopia (blue-blind)
#006B7E
Achromatopsia (no color)
#585858
Design tokens & code
CSS
--color: #2550bd; /* rgb */ color: rgb(37, 80, 189); /* oklch */ color: oklch(47.0% 0.178 264.2);
Tailwind
colors: {
custom: {
50: '#7980d2',
500: '#2550bd',
950: '#000000',
},
}SCSS
$custom: #2550bd; $custom-light: #7980d2; $custom-dark: #000000;
JSON
{
"hex": "#2550bd",
"rgb": {
"r": 37,
"g": 80,
"b": 189
},
"hsl": {
"h": 223.026,
"s": 67.257,
"l": 44.314
},
"oklch": {
"l": 0.4705,
"c": 0.17832,
"h": 264.2
},
"luminance": 0.09805
}Semantic roles & 50–950 ramp
primary
#2550BD
secondary
#CCB372
accent
#B93EEA
background
#F8F7FD
surface
#EFEEFA
border
#CAC9D3
text
#0B0A14
muted
#7C7C83