#1F0C51#1F0C51
#1F0C51 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.9% C 0.115 H 286.5°. Best body text is #FFFFFF at 17.08:1 contrast (WCAG AA passes).
Color values
| HEX | #1F0C51 |
|---|---|
| RGB | rgb(31, 12, 81) |
| HSL | hsl(257, 74%, 18%) |
| HSV | hsv(257, 85%, 32%) |
| CMYK | cmyk(61.7%, 85.2%, 0%, 68.2%) |
| CIE-LAB | lab(10.17, 29.29, -38.26) |
| CIE-LCH | lch(10.17, 48.18, 307.44°) |
| OKLab | oklab(23.88% 0.0327 -0.1102) |
| OKLCH | oklch(23.88% 0.115 286.5) |
| XYZ | xyz(2.1813, 1.1482, 7.8897) |
| Luminance | 0.0115 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Dark Indigo
#1F0954
ΔE00 1.03
Night Blue
#040348
ΔE00 3.78
Dark Blue
#00035B
ΔE00 4.53
Darkblue (survey)
#030764
ΔE00 4.95
Navy Blue (survey)
#001146
ΔE00 5.92
Midnight Blue
#191970
ΔE00 6.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F0C51 #3E510C
analogous
#0C1B51 #1F0C51 #410C51
triadic
#1F0C51 #511F0C #0C511F
tetradic
#1F0C51 #510C1B #3E510C #0C5141
square
#1F0C51 #510C1B #3E510C #0C5141
split-complementary
#1F0C51 #51410C #1B510C
monochromatic
#0A041B #0B041C #1F0C51 #331486 #481CBC
Accessibility & contrast
On white
17.08
#1F0C51 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.23
#1F0C51 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F0C51
17.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F0C51 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F0C51 | 1.00 | 17.08 | 1.23 | 17.08 |
| #FFFFFF | 17.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.23 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001D53
Deuteranopia (green-blind)
#001A50
Tritanopia (blue-blind)
#07202E
Achromatopsia (no color)
#1C1C1C
Design tokens & code
CSS
--color: #1f0c51; /* rgb */ color: rgb(31, 12, 81); /* oklch */ color: oklch(23.9% 0.115 286.5);
Tailwind
colors: {
custom: {
50: '#624d83',
500: '#1f0c51',
950: '#000000',
},
}SCSS
$custom: #1f0c51; $custom-light: #624d83; $custom-dark: #000000;
JSON
{
"hex": "#1f0c51",
"rgb": {
"r": 31,
"g": 12,
"b": 81
},
"hsl": {
"h": 256.522,
"s": 74.194,
"l": 18.235
},
"oklch": {
"l": 0.23882,
"c": 0.11491,
"h": 286.5
},
"luminance": 0.01148
}Semantic roles & 50–950 ramp
primary
#1F0C51
secondary
#728C2C
accent
#F137BE
background
#F6F4F8
surface
#EBE7EF
border
#C6C3CA
text
#06010B
muted
#7A777C