#3031AF#3031AF
#3031AF is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.7% C 0.193 H 273.4°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).
Color values
| HEX | #3031AF |
|---|---|
| RGB | rgb(48, 49, 175) |
| HSL | hsl(240, 57%, 44%) |
| HSV | hsv(240, 73%, 69%) |
| CMYK | cmyk(72.6%, 72%, 0%, 31.4%) |
| CIE-LAB | lab(29.21, 41.60, -66.67) |
| CIE-LCH | lch(29.21, 78.58, 301.96°) |
| OKLab | oklab(40.72% 0.0114 -0.1928) |
| OKLCH | oklch(40.72% 0.193 273.4) |
| XYZ | xyz(10.0525, 5.9191, 41.1619) |
| Luminance | 0.0592 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.89
Indigo Blue
#3A18B1
ΔE00 5.19
Ocean Blue
#4F42B5
ΔE00 5.63
Blue Blue
#2242C7
ΔE00 5.73
Blue With A Hint Of Purple
#533CC6
ΔE00 6.04
True Blue
#010FCC
ΔE00 6.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3031AF #AFAE30
analogous
#3070AF #3031AF #6E30AF
triadic
#3031AF #AF3031 #31AF30
tetradic
#3031AF #AF3070 #AFAE30 #30AF6E
square
#3031AF #AF3070 #AFAE30 #30AF6E
split-complementary
#3031AF #AF6E30 #70AF30
monochromatic
#16164F #23247F #3031AF #4E4FCE #7E7FDC
Accessibility & contrast
On white
9.62
#3031AF on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.18
#3031AF on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3031AF
9.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3031AF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3031AF | 1.00 | 9.62 | 2.18 | 9.62 |
| #FFFFFF | 9.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004BB3
Deuteranopia (green-blind)
#003FAD
Tritanopia (blue-blind)
#00546D
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #3031af; /* rgb */ color: rgb(48, 49, 175); /* oklch */ color: oklch(40.7% 0.193 273.4);
Tailwind
colors: {
custom: {
50: '#7c6ac8',
500: '#3031af',
950: '#000000',
},
}SCSS
$custom: #3031af; $custom-light: #7c6ac8; $custom-dark: #000000;
JSON
{
"hex": "#3031af",
"rgb": {
"r": 48,
"g": 49,
"b": 175
},
"hsl": {
"h": 239.528,
"s": 56.951,
"l": 43.725
},
"oklch": {
"l": 0.40723,
"c": 0.19317,
"h": 273.4
},
"luminance": 0.0592
}Semantic roles & 50–950 ramp
primary
#3031AF
secondary
#C4C476
accent
#DF48E0
background
#F8F6FC
surface
#EFEBF8
border
#CAC6D1
text
#0B0613
muted
#7C7A82