#3975C5#3975C5
#3975C5 is a mid, vivid cyan. Relative luminance 0.176; OKLCH L 56.3% C 0.139 H 256.5°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).
Color values
| HEX | #3975C5 |
|---|---|
| RGB | rgb(57, 117, 197) |
| HSL | hsl(214, 55%, 50%) |
| HSV | hsv(214, 71%, 77%) |
| CMYK | cmyk(71.1%, 40.6%, 0%, 22.7%) |
| CIE-LAB | lab(49.03, 7.47, -47.40) |
| CIE-LCH | lch(49.03, 47.99, 278.95°) |
| OKLab | oklab(56.25% -0.0325 -0.1353) |
| OKLCH | oklch(56.25% 0.139 256.5) |
| XYZ | xyz(18.1230, 17.6217, 55.2587) |
| Luminance | 0.1762 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.74
Medium Blue
#2C6FBB
ΔE00 2.79
Bluish
#2976BB
ΔE00 3.09
Flat Blue
#3C73A8
ΔE00 3.55
Cerulean Blue
#056EEE
ΔE00 4.57
Mid Blue
#276AB3
ΔE00 4.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3975C5 #C58939
analogous
#39BBC5 #3975C5 #4339C5
triadic
#3975C5 #C53975 #75C539
tetradic
#3975C5 #C539BB #C58939 #39C543
square
#3975C5 #C539BB #C58939 #39C543
split-complementary
#3975C5 #C54339 #BBC539
monochromatic
#1E3D66 #2B5996 #3975C5 #6896D3 #97B7E1
Accessibility & contrast
On white
4.64
#3975C5 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.52
#3975C5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #3975C5
4.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3975C5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3975C5 | 1.00 | 4.64 | 4.52 | 4.64 |
| #FFFFFF | 4.64 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.64 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F7CC8
Deuteranopia (green-blind)
#396FC3
Tritanopia (blue-blind)
#008893
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #3975c5; /* rgb */ color: rgb(57, 117, 197); /* oklch */ color: oklch(56.3% 0.139 256.5);
Tailwind
colors: {
custom: {
50: '#809cd7',
500: '#3975c5',
950: '#000000',
},
}SCSS
$custom: #3975c5; $custom-light: #809cd7; $custom-dark: #000000;
JSON
{
"hex": "#3975c5",
"rgb": {
"r": 57,
"g": 117,
"b": 197
},
"hsl": {
"h": 214.286,
"s": 55.118,
"l": 49.804
},
"oklch": {
"l": 0.56254,
"c": 0.13911,
"h": 256.5
},
"luminance": 0.17624
}Semantic roles & 50–950 ramp
primary
#3975C5
secondary
#CDB18D
accent
#9F49DE
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0B0E14
muted
#7C7E83