#2A1F8D#2A1F8D
#2A1F8D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.1% C 0.170 H 276.8°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).
Color values
| HEX | #2A1F8D |
|---|---|
| RGB | rgb(42, 31, 141) |
| HSL | hsl(246, 64%, 34%) |
| HSV | hsv(246, 78%, 55%) |
| CMYK | cmyk(70.2%, 78%, 0%, 44.7%) |
| CIE-LAB | lab(21.56, 39.93, -58.55) |
| CIE-LCH | lch(21.56, 70.87, 304.29°) |
| OKLab | oklab(34.12% 0.0203 -0.1692) |
| OKLCH | oklch(34.12% 0.17 276.8) |
| XYZ | xyz(6.2510, 3.3947, 25.5200) |
| Luminance | 0.0340 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 2.71
Midnight Blue
#191970
ΔE00 4.90
Cobalt Blue
#030AA7
ΔE00 4.96
Indigo (survey)
#380282
ΔE00 5.33
Royal Blue (survey)
#0504AA
ΔE00 5.49
Indigo Blue
#3A18B1
ΔE00 5.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A1F8D #828D1F
analogous
#1F4B8D #2A1F8D #611F8D
triadic
#2A1F8D #8D2A1F #1F8D2A
tetradic
#2A1F8D #8D1F4B #828D1F #1F8D61
square
#2A1F8D #8D1F4B #828D1F #1F8D61
split-complementary
#2A1F8D #8D611F #4B8D1F
monochromatic
#0C0929 #1B145B #2A1F8D #392ABF #5C4ED8
Accessibility & contrast
On white
12.51
#2A1F8D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.68
#2A1F8D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A1F8D
12.51:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A1F8D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A1F8D | 1.00 | 12.51 | 1.68 | 12.51 |
| #FFFFFF | 12.51 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.68 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.51 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003890
Deuteranopia (green-blind)
#002F8B
Tritanopia (blue-blind)
#003F55
Achromatopsia (no color)
#343434
Design tokens & code
CSS
--color: #2a1f8d; /* rgb */ color: rgb(42, 31, 141); /* oklch */ color: oklch(34.1% 0.170 276.8);
Tailwind
colors: {
custom: {
50: '#735daf',
500: '#2a1f8d',
950: '#000000',
},
}SCSS
$custom: #2a1f8d; $custom-light: #735daf; $custom-dark: #000000;
JSON
{
"hex": "#2a1f8d",
"rgb": {
"r": 42,
"g": 31,
"b": 141
},
"hsl": {
"h": 246,
"s": 63.953,
"l": 33.725
},
"oklch": {
"l": 0.34124,
"c": 0.17042,
"h": 276.8
},
"luminance": 0.03395
}Semantic roles & 50–950 ramp
primary
#2A1F8D
secondary
#B0BB4D
accent
#E741D6
background
#F7F5FA
surface
#EEE9F5
border
#C9C5CF
text
#090411
muted
#7B7980