#3971AF#3971AF
#3971AF is a mid, moderate cyan. Relative luminance 0.158; OKLCH L 54.0% C 0.114 H 252.7°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).
Color values
| HEX | #3971AF |
|---|---|
| RGB | rgb(57, 113, 175) |
| HSL | hsl(212, 51%, 45%) |
| HSV | hsv(212, 67%, 69%) |
| CMYK | cmyk(67.4%, 35.4%, 0%, 31.4%) |
| CIE-LAB | lab(46.68, 2.00, -38.43) |
| CIE-LCH | lch(46.68, 38.48, 272.98°) |
| OKLab | oklab(54.03% -0.0339 -0.109) |
| OKLCH | oklch(54.03% 0.114 252.7) |
| XYZ | xyz(15.3275, 15.7737, 42.7860) |
| Luminance | 0.1578 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Flat Blue
#3C73A8
ΔE00 1.36
Medium Blue
#2C6FBB
ΔE00 1.46
Muted Blue
#3B719F
ΔE00 2.55
Mid Blue
#276AB3
ΔE00 2.62
Bluish
#2976BB
ΔE00 2.76
Windows Blue
#3778BF
ΔE00 3.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3971AF #AF7739
analogous
#39ACAF #3971AF #3C39AF
triadic
#3971AF #AF3971 #71AF39
tetradic
#3971AF #AF39AC #AF7739 #39AF3C
square
#3971AF #AF39AC #AF7739 #39AF3C
split-complementary
#3971AF #AF3C39 #ACAF39
monochromatic
#1B3553 #2A5381 #3971AF #5B90CA #8AAFD9
Accessibility & contrast
On white
5.05
#3971AF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.15
#3971AF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3971AF
5.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3971AF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3971AF | 1.00 | 5.05 | 4.15 | 5.05 |
| #FFFFFF | 5.05 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.15 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.05 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5675B2
Deuteranopia (green-blind)
#456AAE
Tritanopia (blue-blind)
#007F88
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #3971af; /* rgb */ color: rgb(57, 113, 175); /* oklch */ color: oklch(54.0% 0.114 252.7);
Tailwind
colors: {
custom: {
50: '#7c99c7',
500: '#3971af',
950: '#000000',
},
}SCSS
$custom: #3971af; $custom-light: #7c99c7; $custom-dark: #000000;
JSON
{
"hex": "#3971af",
"rgb": {
"r": 57,
"g": 113,
"b": 175
},
"hsl": {
"h": 211.525,
"s": 50.862,
"l": 45.49
},
"oklch": {
"l": 0.54027,
"c": 0.1142,
"h": 252.7
},
"luminance": 0.15775
}Semantic roles & 50–950 ramp
primary
#3971AF
secondary
#C3A481
accent
#974DDA
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0D13
muted
#7C7E82