#18011B
Closest named color: Very Dark Purple (#2A0134). oklch(15.2% 0.066 323.7), rgb(24, 1, 27).
Aa
White text reads best on this color (19.82:1).
About this color
#18011B is a very dark, muted purple. In OKLCH its lightness is 15%, its chroma 0.066 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.067 away. White text reads best on it, at 19.82:1.
| Hue family | Purples |
| Lightness | very dark (15%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.05:1 |
| White text | 19.82:1 |
Values
| HEX | #18011B |
| RGB | rgb(24, 1, 27) |
| HSL | hsl(293, 93%, 5%) |
| OKLCH | oklch(15.2% 0.066 323.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #18011B | 19.82:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #18011B | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #18011B text on white | 19.82:1 | AAA | Lc 105.6 | Preferred for body text |
| #18011B text on black | 1.05:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F2E5F3
oklch(93.6% 0.023 323.6)
-
Step 200
200
#E8D0EA
oklch(88.5% 0.044 323.6)
-
Step 300
300
#DAB0DE
oklch(80.9% 0.078 323.4)
-
Step 400
400
#C785CD
oklch(70.8% 0.125 323.9)
-
Step 500
500
#B763C0
oklch(63.1% 0.161 323.6)
-
Step 600
600
#A247AC
oklch(55.5% 0.174 323.6)
-
Step 700
700
#8B3894
oklch(49.2% 0.162 323.7)
-
Step 800
800
#712F78
oklch(42.7% 0.135 323.7)
-
Step 900
900
#5C2B61
oklch(37.8% 0.105 323.8)
-
Step 950
950 (this color)
#18011B
oklch(15.2% 0.066 323.7)
#18011B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #00081C | 0.067 |
| Deuteranopia (no green cones) | #040B1A | 0.059 |
| Tritanopia (no blue cones) | #19040C | 0.039 |
| Achromatopsia (no color) | #0A0A0A | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18011B
#18011B
oklch(15.2% 0.066 323.7)
- #001101
#001101
oklch(15.4% 0.049 144.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #18011B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.067
- Midnight Purple #280137 ΔE 0.068
- Very Dark Brown #1D0200 ΔE 0.070
- Midnight #03012D ΔE 0.072
- Almost Black #070D0D ΔE 0.073
- Rich Navy #001219 ΔE 0.080
- Dark Navy Blue #00022E ΔE 0.081
- Dark Navy #000435 ΔE 0.085
Use #18011B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.