#3971A6#3971A6
#3971A6 is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.5% C 0.103 H 249.1°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).
Color values
| HEX | #3971A6 |
|---|---|
| RGB | rgb(57, 113, 166) |
| HSL | hsl(209, 49%, 44%) |
| HSV | hsv(209, 66%, 65%) |
| CMYK | cmyk(65.7%, 31.9%, 0%, 34.9%) |
| CIE-LAB | lab(46.22, -1.19, -33.89) |
| CIE-LCH | lch(46.22, 33.91, 267.99°) |
| OKLab | oklab(53.52% -0.0365 -0.0958) |
| OKLCH | oklch(53.52% 0.103 249.1) |
| XYZ | xyz(14.4729, 15.4318, 38.2849) |
| Luminance | 0.1543 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Flat Blue
#3C73A8
ΔE00 0.80
Muted Blue
#3B719F
ΔE00 1.20
Medium Blue
#2C6FBB
ΔE00 2.52
Dull Blue
#49759C
ΔE00 2.85
Bluish
#2976BB
ΔE00 2.96
Mid Blue
#276AB3
ΔE00 3.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3971A6 #A66E39
analogous
#39A6A4 #3971A6 #393AA6
triadic
#3971A6 #A63971 #71A639
tetradic
#3971A6 #A439A6 #A66E39 #3AA639
square
#3971A6 #A439A6 #A66E39 #3AA639
split-complementary
#3971A6 #A6393A #A6A439
monochromatic
#1A334B #295278 #3971A6 #5790C5 #84AED5
Accessibility & contrast
On white
5.14
#3971A6 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.09
#3971A6 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3971A6
5.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3971A6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3971A6 | 1.00 | 5.14 | 4.09 | 5.14 |
| #FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A73A8
Deuteranopia (green-blind)
#4B69A5
Tritanopia (blue-blind)
#007D84
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #3971a6; /* rgb */ color: rgb(57, 113, 166); /* oklch */ color: oklch(53.5% 0.103 249.1);
Tailwind
colors: {
custom: {
50: '#7b99c0',
500: '#3971a6',
950: '#000000',
},
}SCSS
$custom: #3971a6; $custom-light: #7b99c0; $custom-dark: #000000;
JSON
{
"hex": "#3971a6",
"rgb": {
"r": 57,
"g": 113,
"b": 166
},
"hsl": {
"h": 209.174,
"s": 48.879,
"l": 43.725
},
"oklch": {
"l": 0.5352,
"c": 0.10251,
"h": 249.1
},
"luminance": 0.15433
}Semantic roles & 50–950 ramp
primary
#3971A6
secondary
#BF9C7C
accent
#924FD8
background
#F7F9FB
surface
#EEF2F7
border
#C9CCD0
text
#0A0D12
muted
#7C7E81