#181029
Closest named color: Rich Black (#0D1B2A). oklch(19.8% 0.049 296.4), rgb(24, 16, 41).
Aa
White text reads best on this color (18.34:1).
About this color
#181029 is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.049 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.040 away. White text reads best on it, at 18.34:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.14:1 |
| White text | 18.34:1 |
Values
| HEX | #181029 |
| RGB | rgb(24, 16, 41) |
| HSL | hsl(259, 44%, 11%) |
| OKLCH | oklch(19.8% 0.049 296.4) |
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 #181029 | 18.34:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #181029 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #181029 text on white | 18.34:1 | AAA | Lc 104.9 | Preferred for body text |
| #181029 text on black | 1.14:1 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F4
oklch(93.7% 0.016 297.5)
-
Step 200
200
#DBD5ED
oklch(88.5% 0.033 297.2)
-
Step 300
300
#C4B9E3
oklch(80.9% 0.06 297)
-
Step 400
400
#A695D4
oklch(70.8% 0.092 296.4)
-
Step 500
500
#9179C9
oklch(63.1% 0.12 296.6)
-
Step 600
600
#7B61B6
oklch(55.6% 0.13 296)
-
Step 700
700
#68509C
oklch(49.2% 0.119 296.3)
-
Step 800
800
#55427F
oklch(42.8% 0.1 296.3)
-
Step 900
900
#463866
oklch(37.8% 0.078 296.5)
-
Step 950
950 (this color)
#181029
oklch(19.8% 0.049 296.4)
#181029 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) | #08152A | 0.030 |
| Deuteranopia (no green cones) | #091428 | 0.029 |
| Tritanopia (no blue cones) | #14151A | 0.040 |
| Achromatopsia (no color) | #151515 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #181029
#181029
oklch(19.8% 0.049 296.4)
- #151800
#151800
oklch(19.9% 0.045 115.7)
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 #181029, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.040
- Midnight Purple #280137 ΔE 0.057
- Very Dark Purple #2A0134 ΔE 0.058
- Rich Navy #001219 ΔE 0.058
- Dark #1B2431 ΔE 0.068
- Navy Blue #001146 ΔE 0.068
- Almost Black #070D0D ΔE 0.069
- Dark Navy #000435 ΔE 0.071
Use #181029 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.