#3F486E#3F486E
#3F486E is a dark, moderate blue. Relative luminance 0.068; OKLCH L 41.1% C 0.065 H 273.1°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).
Color values
| HEX | #3F486E |
|---|---|
| RGB | rgb(63, 72, 110) |
| HSL | hsl(229, 27%, 34%) |
| HSV | hsv(229, 43%, 43%) |
| CMYK | cmyk(42.7%, 34.5%, 0%, 56.9%) |
| CIE-LAB | lab(31.39, 7.12, -23.14) |
| CIE-LCH | lch(31.39, 24.22, 287.10°) |
| OKLab | oklab(41.11% 0.0035 -0.0648) |
| OKLCH | oklch(41.11% 0.065 273.1) |
| XYZ | xyz(7.1809, 6.8169, 15.6863) |
| Luminance | 0.0682 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk
#4E5481
ΔE00 4.85
Twilight
#4E518B
ΔE00 6.02
Darkslateblue
#483D8B
ΔE00 8.56
Cobalt (survey)
#1E488F
ΔE00 8.64
Blueberry
#464196
ΔE00 8.96
Twilight Blue
#0A437A
ΔE00 9.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F486E #6E653F
analogous
#3F606E #3F486E #4E3F6E
triadic
#3F486E #6E3F48 #486E3F
tetradic
#3F486E #6E3F60 #6E653F #3F6E4E
square
#3F486E #6E3F60 #6E653F #3F6E4E
split-complementary
#3F486E #6E4E3F #606E3F
monochromatic
#121520 #292F47 #3F486E #556195 #7782B1
Accessibility & contrast
On white
8.89
#3F486E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.36
#3F486E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F486E
8.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F486E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F486E | 1.00 | 8.89 | 2.36 | 8.89 |
| #FFFFFF | 8.89 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.36 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.89 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3B4C70
Deuteranopia (green-blind)
#37486D
Tritanopia (blue-blind)
#305056
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #3f486e; /* rgb */ color: rgb(63, 72, 110); /* oklch */ color: oklch(41.1% 0.065 273.1);
Tailwind
colors: {
custom: {
50: '#767a97',
500: '#3f486e',
950: '#000000',
},
}SCSS
$custom: #3f486e; $custom-light: #767a97; $custom-dark: #000000;
JSON
{
"hex": "#3f486e",
"rgb": {
"r": 63,
"g": 72,
"b": 110
},
"hsl": {
"h": 228.511,
"s": 27.168,
"l": 33.922
},
"oklch": {
"l": 0.41107,
"c": 0.06488,
"h": 273.1
},
"luminance": 0.06817
}Semantic roles & 50–950 ramp
primary
#3F486E
secondary
#9C936D
accent
#B164C4
background
#F7F7F9
surface
#EDEDF2
border
#C8C8CC
text
#09090D
muted
#7B7B7E