#240A21
Closest named color: Very Dark Purple (#2A0134). oklch(19.9% 0.057 332.1), rgb(36, 10, 33).
Aa
White text reads best on this color (18.41:1).
About this color
#240A21 is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.057 and its hue 332°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.046 away. White text reads best on it, at 18.41:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.14:1 |
| White text | 18.41:1 |
Values
| HEX | #240A21 |
| RGB | rgb(36, 10, 33) |
| HSL | hsl(307, 57%, 9%) |
| OKLCH | oklch(19.9% 0.057 332.1) |
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 #240A21 | 18.41:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #240A21 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #240A21 text on white | 18.41:1 | AAA | Lc 104.8 | Preferred for body text |
| #240A21 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
#F9F3F8
oklch(97% 0.009 330.9)
-
Step 100
100
#F2E5F0
oklch(93.5% 0.02 330.7)
-
Step 200
200
#E9D0E4
oklch(88.4% 0.038 332.6)
-
Step 300
300
#DCB1D4
oklch(80.9% 0.068 332.7)
-
Step 400
400
#C887BF
oklch(70.7% 0.108 331.6)
-
Step 500
500
#B967AE
oklch(63.1% 0.138 332.2)
-
Step 600
600
#A44C9A
oklch(55.5% 0.152 331.9)
-
Step 700
700
#8C3D83
oklch(49% 0.139 332)
-
Step 800
800
#72336B
oklch(42.7% 0.116 331.8)
-
Step 900
900
#5D2D57
oklch(37.7% 0.092 332.1)
-
Step 950
950 (this color)
#240A21
oklch(19.9% 0.057 332.1)
#240A21 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) | #091222 | 0.059 |
| Deuteranopia (no green cones) | #111520 | 0.051 |
| Tritanopia (no blue cones) | #260C14 | 0.029 |
| Achromatopsia (no color) | #141414 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #240A21
#240A21
oklch(19.9% 0.057 332.1)
- #001C09
#001C09
oklch(19.8% 0.052 152.1)
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 #240A21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.046
- Midnight Purple #280137 ΔE 0.051
- Eggplant #380835 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.065
- Dark Plum #3F012C ΔE 0.068
- Dark Purple #35063E ΔE 0.068
- Aubergine #3D0734 ΔE 0.069
- Deep Purple #36013F ΔE 0.072
Use #240A21 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.