#2A218B#2A218B
#2A218B is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.2% C 0.166 H 276.8°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).
Color values
| HEX | #2A218B |
|---|---|
| RGB | rgb(42, 33, 139) |
| HSL | hsl(245, 62%, 34%) |
| HSV | hsv(245, 76%, 55%) |
| CMYK | cmyk(69.8%, 76.3%, 0%, 45.5%) |
| CIE-LAB | lab(21.74, 38.14, -57.01) |
| CIE-LCH | lch(21.74, 68.59, 303.79°) |
| OKLab | oklab(34.19% 0.0196 -0.1647) |
| OKLCH | oklch(34.19% 0.166 276.8) |
| XYZ | xyz(6.1574, 3.4435, 24.7613) |
| Luminance | 0.0344 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 3.10
Midnight Blue
#191970
ΔE00 4.69
Cobalt Blue
#030AA7
ΔE00 5.49
Indigo (survey)
#380282
ΔE00 5.73
Indigo Blue
#3A18B1
ΔE00 5.94
Royal Blue (survey)
#0504AA
ΔE00 6.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A218B #828B21
analogous
#214D8B #2A218B #5F218B
triadic
#2A218B #8B2A21 #218B2A
tetradic
#2A218B #8B214D #828B21 #218B5F
square
#2A218B #8B214D #828B21 #218B5F
split-complementary
#2A218B #8B5F21 #4D8B21
monochromatic
#0C0A28 #1B155A #2A218B #392DBC #5C51D6
Accessibility & contrast
On white
12.43
#2A218B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.69
#2A218B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A218B
12.43:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A218B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A218B | 1.00 | 12.43 | 1.69 | 12.43 |
| #FFFFFF | 12.43 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.69 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.43 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00388E
Deuteranopia (green-blind)
#002F89
Tritanopia (blue-blind)
#003F54
Achromatopsia (no color)
#343434
Design tokens & code
CSS
--color: #2a218b; /* rgb */ color: rgb(42, 33, 139); /* oklch */ color: oklch(34.2% 0.166 276.8);
Tailwind
colors: {
custom: {
50: '#725eae',
500: '#2a218b',
950: '#000000',
},
}SCSS
$custom: #2a218b; $custom-light: #725eae; $custom-dark: #000000;
JSON
{
"hex": "#2a218b",
"rgb": {
"r": 42,
"g": 33,
"b": 139
},
"hsl": {
"h": 245.094,
"s": 61.628,
"l": 33.725
},
"oklch": {
"l": 0.34186,
"c": 0.1659,
"h": 276.8
},
"luminance": 0.03444
}Semantic roles & 50–950 ramp
primary
#2A218B
secondary
#B0B94F
accent
#E543D7
background
#F7F5FA
surface
#EDE9F4
border
#C8C5CE
text
#090410
muted
#7B797F