#3549B0#3549B0
#3549B0 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.3% C 0.165 H 270.1°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).
Color values
| HEX | #3549B0 |
|---|---|
| RGB | rgb(53, 73, 176) |
| HSL | hsl(230, 54%, 45%) |
| HSV | hsv(230, 70%, 69%) |
| CMYK | cmyk(69.9%, 58.5%, 0%, 31%) |
| CIE-LAB | lab(35.31, 27.44, -57.26) |
| CIE-LCH | lch(35.31, 63.49, 295.61°) |
| OKLab | oklab(45.29% 0.0004 -0.165) |
| OKLCH | oklch(45.29% 0.165 270.1) |
| XYZ | xyz(11.6845, 8.6554, 42.1208) |
| Luminance | 0.0866 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 3.76
Cobalt
#0047AB
ΔE00 4.11
Sapphire
#0F52BA
ΔE00 4.99
Sapphire (survey)
#2138AB
ΔE00 5.09
Ocean Blue
#4F42B5
ΔE00 5.12
Blueberry
#464196
ΔE00 5.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3549B0 #B09C35
analogous
#3586B0 #3549B0 #5F35B0
triadic
#3549B0 #B03549 #49B035
tetradic
#3549B0 #B03586 #B09C35 #35B05F
square
#3549B0 #B03586 #B09C35 #35B05F
split-complementary
#3549B0 #B05F35 #86B035
monochromatic
#192252 #273581 #3549B0 #5669CC #8593DA
Accessibility & contrast
On white
7.69
#3549B0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.73
#3549B0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3549B0
7.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3549B0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3549B0 | 1.00 | 7.69 | 2.73 | 7.69 |
| #FFFFFF | 7.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.73 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0059B3
Deuteranopia (green-blind)
#004EAE
Tritanopia (blue-blind)
#006275
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #3549b0; /* rgb */ color: rgb(53, 73, 176); /* oklch */ color: oklch(45.3% 0.165 270.1);
Tailwind
colors: {
custom: {
50: '#7c7bc8',
500: '#3549b0',
950: '#000000',
},
}SCSS
$custom: #3549b0; $custom-light: #7c7bc8; $custom-dark: #000000;
JSON
{
"hex": "#3549b0",
"rgb": {
"r": 53,
"g": 73,
"b": 176
},
"hsl": {
"h": 230.244,
"s": 53.712,
"l": 44.902
},
"oklch": {
"l": 0.45292,
"c": 0.16502,
"h": 270.1
},
"luminance": 0.08657
}Semantic roles & 50–950 ramp
primary
#3549B0
secondary
#C4B87D
accent
#C54BDD
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0913
muted
#7C7B82