#1F0C53#1F0C53
#1F0C53 is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 24.1% C 0.118 H 285.8°. Best body text is #FFFFFF at 16.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1F0C53 |
|---|---|
| RGB | rgb(31, 12, 83) |
| HSL | hsl(256, 75%, 19%) |
| HSV | hsv(256, 86%, 33%) |
| CMYK | cmyk(62.7%, 85.5%, 0%, 67.5%) |
| CIE-LAB | lab(10.40, 29.94, -39.25) |
| CIE-LCH | lch(10.40, 49.37, 307.33°) |
| OKLab | oklab(24.11% 0.032 -0.1131) |
| OKLCH | oklch(24.11% 0.118 285.8) |
| XYZ | xyz(2.2574, 1.1786, 8.2905) |
| Luminance | 0.0118 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Dark Indigo
#1F0954
ΔE00 0.75
Night Blue
#040348
ΔE00 3.83
Dark Blue
#00035B
ΔE00 4.24
Darkblue (survey)
#030764
ΔE00 4.59
Midnight Blue
#191970
ΔE00 5.79
Dark Royal Blue
#02066F
ΔE00 5.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F0C53 #40530C
analogous
#0C1C53 #1F0C53 #420C53
triadic
#1F0C53 #531F0C #0C531F
tetradic
#1F0C53 #530C1C #40530C #0C5342
square
#1F0C53 #530C1C #40530C #0C5342
split-complementary
#1F0C53 #53420C #1C530C
monochromatic
#0A041B #0B041E #1F0C53 #331488 #471BBE
Accessibility & contrast
On white
16.99
#1F0C53 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#1F0C53 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F0C53
16.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F0C53 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F0C53 | 1.00 | 16.99 | 1.24 | 16.99 |
| #FFFFFF | 16.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001E55
Deuteranopia (green-blind)
#001A52
Tritanopia (blue-blind)
#05212F
Achromatopsia (no color)
#1C1C1C
Design tokens & code
CSS
--color: #1f0c53; /* rgb */ color: rgb(31, 12, 83); /* oklch */ color: oklch(24.1% 0.118 285.8);
Tailwind
colors: {
custom: {
50: '#634e84',
500: '#1f0c53',
950: '#000000',
},
}SCSS
$custom: #1f0c53; $custom-light: #634e84; $custom-dark: #000000;
JSON
{
"hex": "#1f0c53",
"rgb": {
"r": 31,
"g": 12,
"b": 83
},
"hsl": {
"h": 256.056,
"s": 74.737,
"l": 18.627
},
"oklch": {
"l": 0.2411,
"c": 0.11751,
"h": 285.8
},
"luminance": 0.01179
}Semantic roles & 50–950 ramp
primary
#1F0C53
secondary
#748E2D
accent
#F136BF
background
#F6F4F8
surface
#EBE7EF
border
#C6C3CA
text
#06010B
muted
#7A777C