#3550AA#3550AA
#3550AA is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.2% C 0.148 H 267.7°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).
Color values
| HEX | #3550AA |
|---|---|
| RGB | rgb(53, 80, 170) |
| HSL | hsl(226, 52%, 44%) |
| HSV | hsv(226, 69%, 67%) |
| CMYK | cmyk(68.8%, 52.9%, 0%, 33.3%) |
| CIE-LAB | lab(36.73, 20.64, -51.39) |
| CIE-LCH | lch(36.73, 55.38, 291.88°) |
| OKLab | oklab(46.22% -0.006 -0.1476) |
| OKLCH | oklch(46.22% 0.148 267.7) |
| XYZ | xyz(11.5901, 9.3954, 39.2251) |
| Luminance | 0.0940 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 3.52
Cobalt
#0047AB
ΔE00 4.04
Cobalt (survey)
#1E488F
ΔE00 5.16
Denim Blue
#3B5B92
ΔE00 5.28
Dusk Blue
#26538D
ΔE00 5.63
Blue Blue
#2242C7
ΔE00 6.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3550AA #AA8F35
analogous
#358AAA #3550AA #5435AA
triadic
#3550AA #AA3550 #50AA35
tetradic
#3550AA #AA358A #AA8F35 #35AA54
square
#3550AA #AA358A #AA8F35 #35AA54
split-complementary
#3550AA #AA5435 #8AAA35
monochromatic
#18244D #263A7B #3550AA #536EC9 #8295D8
Accessibility & contrast
On white
7.29
#3550AA on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.88
#3550AA on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3550AA
7.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3550AA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3550AA | 1.00 | 7.29 | 2.88 | 7.29 |
| #FFFFFF | 7.29 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.88 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.29 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#155CAD
Deuteranopia (green-blind)
#0051A8
Tritanopia (blue-blind)
#006575
Achromatopsia (no color)
#565656
Design tokens & code
CSS
--color: #3550aa; /* rgb */ color: rgb(53, 80, 170); /* oklch */ color: oklch(46.2% 0.148 267.7);
Tailwind
colors: {
custom: {
50: '#7a80c4',
500: '#3550aa',
950: '#000000',
},
}SCSS
$custom: #3550aa; $custom-light: #7a80c4; $custom-dark: #000000;
JSON
{
"hex": "#3550aa",
"rgb": {
"r": 53,
"g": 80,
"b": 170
},
"hsl": {
"h": 226.154,
"s": 52.466,
"l": 43.725
},
"oklch": {
"l": 0.46219,
"c": 0.14777,
"h": 267.7
},
"luminance": 0.09396
}Semantic roles & 50–950 ramp
primary
#3550AA
secondary
#C1B17A
accent
#BB4CDC
background
#F8F7FC
surface
#EFEEF8
border
#CAC9D1
text
#0A0A13
muted
#7C7C82