#180A24
Closest named color: Very Dark Purple (#2A0134). oklch(18.1% 0.053 306.7), rgb(24, 10, 36).
Aa
White text reads best on this color (18.95:1).
About this color
#180A24 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.053 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.056 away. White text reads best on it, at 18.95:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.10:1 |
| White text | 18.95:1 |
Values
| HEX | #180A24 |
| RGB | rgb(24, 10, 36) |
| HSL | hsl(272, 57%, 9%) |
| OKLCH | oklch(18.1% 0.053 306.7) |
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 #180A24 | 18.95:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #180A24 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #180A24 text on white | 18.95:1 | AAA | Lc 105.3 | Preferred for body text |
| #180A24 text on black | 1.10:1 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F4
oklch(93.6% 0.018 306.7)
-
Step 200
200
#DFD4EC
oklch(88.6% 0.035 306.3)
-
Step 300
300
#CBB6E1
oklch(80.8% 0.064 307.1)
-
Step 400
400
#B190D2
oklch(70.7% 0.1 306.9)
-
Step 500
500
#9E73C6
oklch(63.1% 0.129 306.9)
-
Step 600
600
#895AB3
oklch(55.7% 0.14 306.8)
-
Step 700
700
#74499A
oklch(49.1% 0.131 306.7)
-
Step 800
800
#5E3D7D
oklch(42.8% 0.108 306.2)
-
Step 900
900
#4D3464
oklch(37.6% 0.084 306.8)
-
Step 950
950 (this color)
#180A24
oklch(18.1% 0.053 306.7)
#180A24 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) | #031025 | 0.043 |
| Deuteranopia (no green cones) | #061123 | 0.040 |
| Tritanopia (no blue cones) | #160F15 | 0.039 |
| Achromatopsia (no color) | #101010 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #180A24
#180A24
oklch(18.1% 0.053 306.7)
- #0C1500
#0C1500
oklch(18% 0.046 126.9)
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 #180A24, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.056
- Midnight Purple #280137 ΔE 0.056
- Rich Black #0D1B2A ΔE 0.057
- Rich Navy #001219 ΔE 0.060
- Almost Black #070D0D ΔE 0.065
- Midnight #03012D ΔE 0.067
- Dark Navy #000435 ΔE 0.070
- Dark Navy Blue #00022E ΔE 0.073
Use #180A24 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.