#2549AB#2549AB
#2549AB is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.1% C 0.163 H 265.0°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).
Color values
| HEX | #2549AB |
|---|---|
| RGB | rgb(37, 73, 171) |
| HSL | hsl(224, 64%, 41%) |
| HSV | hsv(224, 78%, 67%) |
| CMYK | cmyk(78.4%, 57.3%, 0%, 32.9%) |
| CIE-LAB | lab(34.19, 23.55, -56.15) |
| CIE-LCH | lch(34.19, 60.89, 292.75°) |
| OKLab | oklab(44.12% -0.0142 -0.1621) |
| OKLCH | oklch(44.12% 0.163 265) |
| XYZ | xyz(10.4936, 8.0975, 39.5301) |
| Luminance | 0.0810 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.02
Sapphire
#0F52BA
ΔE00 3.83
Cobalt (survey)
#1E488F
ΔE00 4.35
Blue Blue
#2242C7
ΔE00 4.76
Sapphire (survey)
#2138AB
ΔE00 5.45
Dusk Blue
#26538D
ΔE00 6.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2549AB #AB8725
analogous
#258CAB #2549AB #4425AB
triadic
#2549AB #AB2549 #49AB25
tetradic
#2549AB #AB258C #AB8725 #25AB44
square
#2549AB #AB258C #AB8725 #25AB44
split-complementary
#2549AB #AB4425 #8CAB25
monochromatic
#0F1E46 #1A3479 #2549AB #3963D4 #6B8ADF
Accessibility & contrast
On white
8.02
#2549AB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.62
#2549AB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2549AB
8.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2549AB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2549AB | 1.00 | 8.02 | 2.62 | 8.02 |
| #FFFFFF | 8.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057AE
Deuteranopia (green-blind)
#004AA9
Tritanopia (blue-blind)
#006173
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #2549ab; /* rgb */ color: rgb(37, 73, 171); /* oklch */ color: oklch(44.1% 0.163 265.0);
Tailwind
colors: {
custom: {
50: '#757bc5',
500: '#2549ab',
950: '#000000',
},
}SCSS
$custom: #2549ab; $custom-light: #757bc5; $custom-dark: #000000;
JSON
{
"hex": "#2549ab",
"rgb": {
"r": 37,
"g": 73,
"b": 171
},
"hsl": {
"h": 223.881,
"s": 64.423,
"l": 40.784
},
"oklch": {
"l": 0.44124,
"c": 0.16271,
"h": 265
},
"luminance": 0.08099
}Semantic roles & 50–950 ramp
primary
#2549AB
secondary
#C5AC67
accent
#BB40E7
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0913
muted
#7C7B82