#3552B7#3552B7
#3552B7 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.6% C 0.163 H 267.6°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).
Color values
| HEX | #3552B7 |
|---|---|
| RGB | rgb(53, 82, 183) |
| HSL | hsl(227, 55%, 46%) |
| HSV | hsv(227, 71%, 72%) |
| CMYK | cmyk(71%, 55.2%, 0%, 28.2%) |
| CIE-LAB | lab(38.21, 24.13, -56.68) |
| CIE-LCH | lch(38.21, 61.60, 293.06°) |
| OKLab | oklab(47.63% -0.0067 -0.1632) |
| OKLCH | oklch(47.63% 0.163 267.6) |
| XYZ | xyz(13.0298, 10.2090, 46.0744) |
| Luminance | 0.1021 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 3.07
Cobalt
#0047AB
ΔE00 4.83
Blue Blue
#2242C7
ΔE00 5.41
Denim Blue
#3B5B92
ΔE00 6.07
Warm Blue
#4B57DB
ΔE00 6.19
Denim
#1560BD
ΔE00 6.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3552B7 #B79A35
analogous
#3593B7 #3552B7 #5935B7
triadic
#3552B7 #B73552 #52B735
tetradic
#3552B7 #B73593 #B79A35 #35B759
square
#3552B7 #B73593 #B79A35 #35B759
split-complementary
#3552B7 #B75935 #93B735
monochromatic
#1A2758 #273D88 #3552B7 #5A74CF #899CDD
Accessibility & contrast
On white
6.90
#3552B7 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.04
#3552B7 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3552B7
6.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3552B7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3552B7 | 1.00 | 6.90 | 3.04 | 6.90 |
| #FFFFFF | 6.90 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.04 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.90 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0060BA
Deuteranopia (green-blind)
#0054B5
Tritanopia (blue-blind)
#006B7C
Achromatopsia (no color)
#5A5A5A
Design tokens & code
CSS
--color: #3552b7; /* rgb */ color: rgb(53, 82, 183); /* oklch */ color: oklch(47.6% 0.163 267.6);
Tailwind
colors: {
custom: {
50: '#7d82cd',
500: '#3552b7',
950: '#000000',
},
}SCSS
$custom: #3552b7; $custom-light: #7d82cd; $custom-dark: #000000;
JSON
{
"hex": "#3552b7",
"rgb": {
"r": 53,
"g": 82,
"b": 183
},
"hsl": {
"h": 226.615,
"s": 55.085,
"l": 46.275
},
"oklch": {
"l": 0.47634,
"c": 0.16333,
"h": 267.6
},
"luminance": 0.1021
}Semantic roles & 50–950 ramp
primary
#3552B7
secondary
#C7B781
accent
#BD49DE
background
#F8F7FC
surface
#EFEEF9
border
#CAC9D2
text
#0B0A14
muted
#7C7C82