#3142BB#3142BB
#3142BB is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.7% C 0.189 H 270.4°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3142BB |
|---|---|
| RGB | rgb(49, 66, 187) |
| HSL | hsl(233, 58%, 46%) |
| HSV | hsv(233, 74%, 73%) |
| CMYK | cmyk(73.8%, 64.7%, 0%, 26.7%) |
| CIE-LAB | lab(34.26, 35.43, -65.48) |
| CIE-LCH | lch(34.26, 74.45, 298.42°) |
| OKLab | oklab(44.75% 0.0012 -0.1893) |
| OKLCH | oklch(44.75% 0.189 270.4) |
| XYZ | xyz(12.1814, 8.1360, 47.9325) |
| Luminance | 0.0814 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 1.70
Sapphire (survey)
#2138AB
ΔE00 3.70
Ocean Blue
#4F42B5
ΔE00 4.04
Blue (survey)
#0343DF
ΔE00 4.43
Blue With A Hint Of Purple
#533CC6
ΔE00 5.29
Cobalt
#0047AB
ΔE00 5.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3142BB #BBAA31
analogous
#3187BB #3142BB #6531BB
triadic
#3142BB #BB3142 #42BB31
tetradic
#3142BB #BB3187 #BBAA31 #31BB65
square
#3142BB #BB3187 #BBAA31 #31BB65
split-complementary
#3142BB #BB6531 #87BB31
monochromatic
#18205A #24318B #3142BB #5666D3 #8792E0
Accessibility & contrast
On white
7.99
#3142BB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#3142BB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3142BB
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3142BB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3142BB | 1.00 | 7.99 | 2.63 | 7.99 |
| #FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057BF
Deuteranopia (green-blind)
#004AB9
Tritanopia (blue-blind)
#006278
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #3142bb; /* rgb */ color: rgb(49, 66, 187); /* oklch */ color: oklch(44.7% 0.189 270.4);
Tailwind
colors: {
custom: {
50: '#7d76d0',
500: '#3142bb',
950: '#000000',
},
}SCSS
$custom: #3142bb; $custom-light: #7d76d0; $custom-dark: #000000;
JSON
{
"hex": "#3142bb",
"rgb": {
"r": 49,
"g": 66,
"b": 187
},
"hsl": {
"h": 232.609,
"s": 58.475,
"l": 46.275
},
"oklch": {
"l": 0.44745,
"c": 0.1893,
"h": 270.4
},
"luminance": 0.08137
}Semantic roles & 50–950 ramp
primary
#3142BB
secondary
#C9C07F
accent
#CF46E2
background
#F8F7FC
surface
#EFEDF9
border
#CAC8D2
text
#0B0814
muted
#7C7B82