#18031A
Closest named color: Very Dark Brown (#1D0200). oklch(15.7% 0.058 324.5), rgb(24, 3, 26).
Aa
White text reads best on this color (19.68:1).
About this color
#18031A is a very dark, muted purple. In OKLCH its lightness is 16%, its chroma 0.058 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.064 away. White text reads best on it, at 19.68:1.
| Hue family | Purples |
| Lightness | very dark (16%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.06:1 |
| White text | 19.68:1 |
Values
| HEX | #18031A |
| RGB | rgb(24, 3, 26) |
| HSL | hsl(295, 79%, 6%) |
| OKLCH | oklch(15.7% 0.058 324.5) |
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 #18031A | 19.68:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #18031A | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #18031A text on white | 19.68:1 | AAA | Lc 105.6 | Preferred for body text |
| #18031A text on black | 1.06:1 | 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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F1E6F1
oklch(93.7% 0.019 325.7)
-
Step 200
200
#E6D1E8
oklch(88.5% 0.038 323.2)
-
Step 300
300
#D8B2DA
oklch(81% 0.069 324.6)
-
Step 400
400
#C388C7
oklch(70.6% 0.111 324.5)
-
Step 500
500
#B369B8
oklch(63.1% 0.14 324.8)
-
Step 600
600
#9E4FA4
oklch(55.7% 0.152 324.7)
-
Step 700
700
#873F8D
oklch(49.2% 0.142 324.5)
-
Step 800
800
#6E3472
oklch(42.7% 0.118 324.9)
-
Step 900
900
#592E5C
oklch(37.6% 0.092 324.8)
-
Step 950
950 (this color)
#18031A
oklch(15.7% 0.058 324.5)
#18031A 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) | #01091B | 0.060 |
| Deuteranopia (no green cones) | #060C19 | 0.051 |
| Tritanopia (no blue cones) | #19050C | 0.034 |
| Achromatopsia (no color) | #0B0B0B | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18031A
#18031A
oklch(15.7% 0.058 324.5)
- #001201
#001201
oklch(15.8% 0.051 144.4)
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 #18031A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.064
- Almost Black #070D0D ΔE 0.065
- Very Dark Purple #2A0134 ΔE 0.067
- Midnight Purple #280137 ΔE 0.069
- Rich Navy #001219 ΔE 0.073
- Midnight #03012D ΔE 0.073
- Dark Navy Blue #00022E ΔE 0.080
- Dark Navy #000435 ΔE 0.084
Use #18031A 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.