#3673B0#3673B0
#3673B0 is a mid, moderate cyan. Relative luminance 0.162; OKLCH L 54.4% C 0.115 H 250.7°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).
Color values
| HEX | #3673B0 |
|---|---|
| RGB | rgb(54, 115, 176) |
| HSL | hsl(210, 53%, 45%) |
| HSV | hsv(210, 69%, 69%) |
| CMYK | cmyk(69.3%, 34.7%, 0%, 31%) |
| CIE-LAB | lab(47.21, 0.64, -38.18) |
| CIE-LCH | lch(47.21, 38.18, 270.96°) |
| OKLab | oklab(54.43% -0.0378 -0.1083) |
| OKLCH | oklch(54.43% 0.115 250.7) |
| XYZ | xyz(15.4856, 16.1787, 43.3726) |
| Luminance | 0.1618 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Flat Blue
#3C73A8
ΔE00 1.00
Bluish
#2976BB
ΔE00 1.81
Medium Blue
#2C6FBB
ΔE00 1.93
Muted Blue
#3B719F
ΔE00 2.39
Windows Blue
#3778BF
ΔE00 2.47
Mid Blue
#276AB3
ΔE00 3.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3673B0 #B07336
analogous
#36B0B0 #3673B0 #3636B0
triadic
#3673B0 #B03673 #73B036
tetradic
#3673B0 #B036B0 #B07336 #36B036
square
#3673B0 #B036B0 #B07336 #36B036
split-complementary
#3673B0 #B03636 #B0B036
monochromatic
#193652 #285481 #3673B0 #5892CC #86B0DA
Accessibility & contrast
On white
4.96
#3673B0 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.24
#3673B0 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3673B0
4.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3673B0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3673B0 | 1.00 | 4.96 | 4.24 | 4.96 |
| #FFFFFF | 4.96 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.96 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5876B3
Deuteranopia (green-blind)
#476BAF
Tritanopia (blue-blind)
#008189
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #3673b0; /* rgb */ color: rgb(54, 115, 176); /* oklch */ color: oklch(54.4% 0.115 250.7);
Tailwind
colors: {
custom: {
50: '#7b9ac8',
500: '#3673b0',
950: '#000000',
},
}SCSS
$custom: #3673b0; $custom-light: #7b9ac8; $custom-dark: #000000;
JSON
{
"hex": "#3673b0",
"rgb": {
"r": 54,
"g": 115,
"b": 176
},
"hsl": {
"h": 210,
"s": 53.043,
"l": 45.098
},
"oklch": {
"l": 0.54429,
"c": 0.11474,
"h": 250.7
},
"luminance": 0.1618
}Semantic roles & 50–950 ramp
primary
#3673B0
secondary
#C4A17E
accent
#944BDC
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E13
muted
#7C7E82