#3F658C#3F658C
#3F658C is a mid, moderate cyan. Relative luminance 0.123; OKLCH L 49.6% C 0.076 H 250.2°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).
Color values
| HEX | #3F658C |
|---|---|
| RGB | rgb(63, 101, 140) |
| HSL | hsl(210, 38%, 40%) |
| HSV | hsv(210, 55%, 55%) |
| CMYK | cmyk(55%, 27.9%, 0%, 45.1%) |
| CIE-LAB | lab(41.62, -1.53, -25.63) |
| CIE-LCH | lch(41.62, 25.68, 266.58°) |
| OKLab | oklab(49.57% -0.0259 -0.0719) |
| OKLCH | oklch(49.57% 0.076 250.2) |
| XYZ | xyz(11.4355, 12.2567, 26.5690) |
| Luminance | 0.1226 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Denim (survey)
#3B638C
ΔE00 0.86
Ugly Blue
#31668A
ΔE00 3.58
Light Navy Blue
#2E5A88
ΔE00 4.09
Denim Blue
#3B5B92
ΔE00 4.52
Dusky Blue
#475F94
ΔE00 4.86
French Blue
#436BAD
ΔE00 4.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F658C #8C663F
analogous
#3F8B8C #3F658C #403F8C
triadic
#3F658C #8C3F65 #658C3F
tetradic
#3F658C #8C3F8B #8C663F #3F8C40
square
#3F658C #8C3F8B #8C663F #3F8C40
split-complementary
#3F658C #8C403F #8B8C3F
monochromatic
#192838 #2C4762 #3F658C #5583B3 #80A2C6
Accessibility & contrast
On white
6.08
#3F658C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.45
#3F658C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3F658C
6.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F658C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F658C | 1.00 | 6.08 | 3.45 | 6.08 |
| #FFFFFF | 6.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.45 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#55668E
Deuteranopia (green-blind)
#4B5F8B
Tritanopia (blue-blind)
#116E73
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #3f658c; /* rgb */ color: rgb(63, 101, 140); /* oklch */ color: oklch(49.6% 0.076 250.2);
Tailwind
colors: {
custom: {
50: '#7a90ad',
500: '#3f658c',
950: '#000000',
},
}SCSS
$custom: #3f658c; $custom-light: #7a90ad; $custom-dark: #000000;
JSON
{
"hex": "#3f658c",
"rgb": {
"r": 63,
"g": 101,
"b": 140
},
"hsl": {
"h": 210.39,
"s": 37.931,
"l": 39.804
},
"oklch": {
"l": 0.4957,
"c": 0.0764,
"h": 250.2
},
"luminance": 0.12258
}Semantic roles & 50–950 ramp
primary
#3F658C
secondary
#B09477
accent
#955ACE
background
#F7F8FA
surface
#EEF0F4
border
#C9CBCE
text
#090C10
muted
#7B7D7F