#3139AF#3139AF
#3139AF is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.1% C 0.184 H 272.4°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3139AF |
|---|---|
| RGB | rgb(49, 57, 175) |
| HSL | hsl(236, 56%, 44%) |
| HSV | hsv(236, 72%, 69%) |
| CMYK | cmyk(72%, 67.4%, 0%, 31.4%) |
| CIE-LAB | lab(31.05, 36.84, -63.64) |
| CIE-LCH | lch(31.05, 73.53, 300.07°) |
| OKLab | oklab(42.07% 0.0078 -0.1839) |
| OKLCH | oklch(42.07% 0.184 272.4) |
| XYZ | xyz(10.4650, 6.6733, 41.2857) |
| Luminance | 0.0667 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.72
Blue Blue
#2242C7
ΔE00 4.13
Ocean Blue
#4F42B5
ΔE00 4.47
Blueberry
#464196
ΔE00 5.31
Blue With A Hint Of Purple
#533CC6
ΔE00 5.65
Blurple
#5539CC
ΔE00 6.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3139AF #AFA731
analogous
#3178AF #3139AF #6831AF
triadic
#3139AF #AF3139 #39AF31
tetradic
#3139AF #AF3178 #AFA731 #31AF68
square
#3139AF #AF3178 #AFA731 #31AF68
split-complementary
#3139AF #AF6831 #78AF31
monochromatic
#161A4F #24297F #3139AF #4F57CE #7F85DB
Accessibility & contrast
On white
8.99
#3139AF on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.33
#3139AF on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3139AF
8.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3139AF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3139AF | 1.00 | 8.99 | 2.33 | 8.99 |
| #FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.33 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004FB3
Deuteranopia (green-blind)
#0043AD
Tritanopia (blue-blind)
#00596F
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #3139af; /* rgb */ color: rgb(49, 57, 175); /* oklch */ color: oklch(42.1% 0.184 272.4);
Tailwind
colors: {
custom: {
50: '#7b70c8',
500: '#3139af',
950: '#000000',
},
}SCSS
$custom: #3139af; $custom-light: #7b70c8; $custom-dark: #000000;
JSON
{
"hex": "#3139af",
"rgb": {
"r": 49,
"g": 57,
"b": 175
},
"hsl": {
"h": 236.19,
"s": 56.25,
"l": 43.922
},
"oklch": {
"l": 0.42068,
"c": 0.18412,
"h": 272.4
},
"luminance": 0.06674
}Semantic roles & 50–950 ramp
primary
#3139AF
secondary
#C4BF78
accent
#D648E0
background
#F8F6FC
surface
#EFECF8
border
#CAC7D1
text
#0B0713
muted
#7C7A82