#3975AA#3975AA
#3975AA is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.7% C 0.104 H 247.7°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).
Color values
| HEX | #3975AA |
|---|---|
| RGB | rgb(57, 117, 170) |
| HSL | hsl(208, 50%, 45%) |
| HSV | hsv(208, 66%, 67%) |
| CMYK | cmyk(66.5%, 31.2%, 0%, 33.3%) |
| CIE-LAB | lab(47.62, -2.20, -34.03) |
| CIE-LCH | lch(47.62, 34.11, 266.30°) |
| OKLab | oklab(54.68% -0.0395 -0.0962) |
| OKLCH | oklch(54.68% 0.104 247.7) |
| XYZ | xyz(15.3016, 16.4932, 40.3995) |
| Luminance | 0.1650 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Flat Blue
#3C73A8
ΔE00 1.02
Muted Blue
#3B719F
ΔE00 1.93
Bluish
#2976BB
ΔE00 1.99
Dull Blue
#49759C
ΔE00 2.65
Windows Blue
#3778BF
ΔE00 2.84
Medium Blue
#2C6FBB
ΔE00 3.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3975AA #AA6E39
analogous
#39AAA7 #3975AA #393CAA
triadic
#3975AA #AA3975 #75AA39
tetradic
#3975AA #A739AA #AA6E39 #3CAA39
square
#3975AA #A739AA #AA6E39 #3CAA39
split-complementary
#3975AA #AA393C #AAA739
monochromatic
#1A364E #2A557C #3975AA #5994C7 #87B1D7
Accessibility & contrast
On white
4.88
#3975AA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.30
#3975AA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3975AA
4.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3975AA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3975AA | 1.00 | 4.88 | 4.30 | 4.88 |
| #FFFFFF | 4.88 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.88 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E77AC
Deuteranopia (green-blind)
#4E6CA9
Tritanopia (blue-blind)
#008288
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #3975aa; /* rgb */ color: rgb(57, 117, 170); /* oklch */ color: oklch(54.7% 0.104 247.7);
Tailwind
colors: {
custom: {
50: '#7b9cc3',
500: '#3975aa',
950: '#000000',
},
}SCSS
$custom: #3975aa; $custom-light: #7b9cc3; $custom-dark: #000000;
JSON
{
"hex": "#3975aa",
"rgb": {
"r": 57,
"g": 117,
"b": 170
},
"hsl": {
"h": 208.142,
"s": 49.78,
"l": 44.51
},
"oklch": {
"l": 0.54681,
"c": 0.10399,
"h": 247.7
},
"luminance": 0.16495
}Semantic roles & 50–950 ramp
primary
#3975AA
secondary
#C19D7E
accent
#904ED9
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E12
muted
#7C7E81