#3974C6#3974C6
#3974C6 is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 56.1% C 0.142 H 257.2°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).
Color values
| HEX | #3974C6 |
|---|---|
| RGB | rgb(57, 116, 198) |
| HSL | hsl(215, 55%, 50%) |
| HSV | hsv(215, 71%, 78%) |
| CMYK | cmyk(71.2%, 41.4%, 0%, 22.4%) |
| CIE-LAB | lab(48.80, 8.45, -48.34) |
| CIE-LCH | lch(48.80, 49.07, 279.91°) |
| OKLab | oklab(56.09% -0.0313 -0.138) |
| OKLCH | oklch(56.09% 0.142 257.2) |
| XYZ | xyz(18.1221, 17.4359, 55.8255) |
| Luminance | 0.1744 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.16
Medium Blue
#2C6FBB
ΔE00 2.69
Bluish
#2976BB
ΔE00 3.39
Flat Blue
#3C73A8
ΔE00 3.67
Cerulean Blue
#056EEE
ΔE00 4.33
French Blue
#436BAD
ΔE00 4.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3974C6 #C68B39
analogous
#39BAC6 #3974C6 #4539C6
triadic
#3974C6 #C63974 #74C639
tetradic
#3974C6 #C639BA #C68B39 #39C645
square
#3974C6 #C639BA #C68B39 #39C645
split-complementary
#3974C6 #C64539 #BAC639
monochromatic
#1E3C67 #2B5896 #3974C6 #6995D4 #98B7E1
Accessibility & contrast
On white
4.68
#3974C6 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.49
#3974C6 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3974C6
4.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3974C6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3974C6 | 1.00 | 4.68 | 4.49 | 4.68 |
| #FFFFFF | 4.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4D7BC9
Deuteranopia (green-blind)
#366EC4
Tritanopia (blue-blind)
#008793
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #3974c6; /* rgb */ color: rgb(57, 116, 198); /* oklch */ color: oklch(56.1% 0.142 257.2);
Tailwind
colors: {
custom: {
50: '#809bd8',
500: '#3974c6',
950: '#000000',
},
}SCSS
$custom: #3974c6; $custom-light: #809bd8; $custom-dark: #000000;
JSON
{
"hex": "#3974c6",
"rgb": {
"r": 57,
"g": 116,
"b": 198
},
"hsl": {
"h": 214.894,
"s": 55.294,
"l": 50
},
"oklch": {
"l": 0.56095,
"c": 0.14155,
"h": 257.2
},
"luminance": 0.17438
}Semantic roles & 50–950 ramp
primary
#3974C6
secondary
#CDB38E
accent
#A049DF
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0B0E14
muted
#7C7E83