#3547B4#3547B4
#3547B4 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.2% C 0.173 H 270.6°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).
Color values
| HEX | #3547B4 |
|---|---|
| RGB | rgb(53, 71, 180) |
| HSL | hsl(231, 55%, 46%) |
| HSV | hsv(231, 71%, 71%) |
| CMYK | cmyk(70.6%, 60.6%, 0%, 29.4%) |
| CIE-LAB | lab(35.12, 30.20, -59.94) |
| CIE-LCH | lch(35.12, 67.12, 296.74°) |
| OKLab | oklab(45.25% 0.0019 -0.1729) |
| OKLCH | oklch(45.25% 0.173 270.6) |
| XYZ | xyz(11.9569, 8.5575, 44.1928) |
| Luminance | 0.0856 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.97
Ocean Blue
#4F42B5
ΔE00 4.48
Cobalt
#0047AB
ΔE00 4.57
Sapphire (survey)
#2138AB
ΔE00 4.59
Blue (survey)
#0343DF
ΔE00 5.43
Sapphire
#0F52BA
ΔE00 5.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3547B4 #B4A235
analogous
#3586B4 #3547B4 #6235B4
triadic
#3547B4 #B43547 #47B435
tetradic
#3547B4 #B43586 #B4A235 #35B462
square
#3547B4 #B43586 #B4A235 #35B462
split-complementary
#3547B4 #B46235 #86B435
monochromatic
#192255 #273485 #3547B4 #5869CE #8894DC
Accessibility & contrast
On white
7.74
#3547B4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.71
#3547B4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3547B4
7.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3547B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3547B4 | 1.00 | 7.74 | 2.71 | 7.74 |
| #FFFFFF | 7.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0059B8
Deuteranopia (green-blind)
#004DB2
Tritanopia (blue-blind)
#006276
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #3547b4; /* rgb */ color: rgb(53, 71, 180); /* oklch */ color: oklch(45.2% 0.173 270.6);
Tailwind
colors: {
custom: {
50: '#7d7acb',
500: '#3547b4',
950: '#000000',
},
}SCSS
$custom: #3547b4; $custom-light: #7d7acb; $custom-dark: #000000;
JSON
{
"hex": "#3547b4",
"rgb": {
"r": 53,
"g": 71,
"b": 180
},
"hsl": {
"h": 231.496,
"s": 54.506,
"l": 45.686
},
"oklch": {
"l": 0.45247,
"c": 0.17294,
"h": 270.6
},
"luminance": 0.08559
}Semantic roles & 50–950 ramp
primary
#3547B4
secondary
#C6BC7F
accent
#C94ADE
background
#F8F7FC
surface
#EFEDF9
border
#CAC8D2
text
#0B0913
muted
#7C7B82