#39477B#39477B
#39477B is a dark, moderate blue. Relative luminance 0.068; OKLCH L 41.2% C 0.089 H 270.7°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).
Color values
| HEX | #39477B |
|---|---|
| RGB | rgb(57, 71, 123) |
| HSL | hsl(227, 37%, 35%) |
| HSV | hsv(227, 54%, 48%) |
| CMYK | cmyk(53.7%, 42.3%, 0%, 51.8%) |
| CIE-LAB | lab(31.36, 10.46, -31.37) |
| CIE-LCH | lch(31.36, 33.07, 288.43°) |
| OKLab | oklab(41.21% 0.0011 -0.0889) |
| OKLCH | oklch(41.21% 0.089 270.7) |
| XYZ | xyz(7.5146, 6.8059, 19.6527) |
| Luminance | 0.0681 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Twilight
#4E518B
ΔE00 4.98
Dusk
#4E5481
ΔE00 5.41
Cobalt (survey)
#1E488F
ΔE00 5.52
Blueberry
#464196
ΔE00 6.61
Darkish Blue
#014182
ΔE00 6.75
Darkslateblue
#483D8B
ΔE00 6.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#39477B #7B6D39
analogous
#39687B #39477B #4C397B
triadic
#39477B #7B3947 #477B39
tetradic
#39477B #7B3968 #7B6D39 #397B4C
square
#39477B #7B3968 #7B6D39 #397B4C
split-complementary
#39477B #7B4C39 #687B39
monochromatic
#121727 #262F51 #39477B #4C5FA5 #7181BD
Accessibility & contrast
On white
8.89
#39477B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.36
#39477B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #39477B
8.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##39477B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##39477B | 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)
#324D7D
Deuteranopia (green-blind)
#2B477A
Tritanopia (blue-blind)
#1B525B
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #39477b; /* rgb */ color: rgb(57, 71, 123); /* oklch */ color: oklch(41.2% 0.089 270.7);
Tailwind
colors: {
custom: {
50: '#747aa1',
500: '#39477b',
950: '#000000',
},
}SCSS
$custom: #39477b; $custom-light: #747aa1; $custom-dark: #000000;
JSON
{
"hex": "#39477b",
"rgb": {
"r": 57,
"g": 71,
"b": 123
},
"hsl": {
"h": 227.273,
"s": 36.667,
"l": 35.294
},
"oklch": {
"l": 0.41206,
"c": 0.08888,
"h": 270.7
},
"luminance": 0.06806
}Semantic roles & 50–950 ramp
primary
#39477B
secondary
#A69A69
accent
#B55BCD
background
#F7F7F9
surface
#EDEDF2
border
#C8C8CC
text
#08090F
muted
#7B7B7E