#280B23
Closest named color: Very Dark Purple (#2A0134). oklch(20.9% 0.061 334.7), rgb(40, 11, 35).
Aa
White text reads best on this color (18.06:1).
About this color
#280B23 is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.061 and its hue 335°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.043 away. White text reads best on it, at 18.06:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.061) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.16:1 |
| White text | 18.06:1 |
Values
| HEX | #280B23 |
| RGB | rgb(40, 11, 35) |
| HSL | hsl(310, 57%, 10%) |
| OKLCH | oklch(20.9% 0.061 334.7) |
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 #280B23 | 18.06:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #280B23 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #280B23 text on white | 18.06:1 | AAA | Lc 104.5 | Preferred for body text |
| #280B23 text on black | 1.16:1 | 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
#FAF3F8
oklch(97.1% 0.01 335.5)
-
Step 100
100
#F3E5EF
oklch(93.6% 0.02 335.7)
-
Step 200
200
#EBD0E4
oklch(88.6% 0.04 335)
-
Step 300
300
#DFB0D3
oklch(81% 0.071 335.5)
-
Step 400
400
#CD84BD
oklch(70.7% 0.116 335.1)
-
Step 500
500
#BE63AD
oklch(63.1% 0.148 334.6)
-
Step 600
600
#A94898
oklch(55.6% 0.16 334.8)
-
Step 700
700
#913882
oklch(49.1% 0.15 334.7)
-
Step 800
800
#76306A
oklch(42.8% 0.123 334.6)
-
Step 900
900
#5F2B56
oklch(37.7% 0.096 334.3)
-
Step 950
950 (this color)
#280B23
oklch(20.9% 0.061 334.7)
#280B23 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) | #0B1324 | 0.063 |
| Deuteranopia (no green cones) | #141822 | 0.056 |
| Tritanopia (no blue cones) | #2A0D15 | 0.031 |
| Achromatopsia (no color) | #161616 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #280B23
#280B23
oklch(20.9% 0.061 334.7)
- #001F0D
#001F0D
oklch(21% 0.052 154.8)
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 #280B23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.043
- Midnight Purple #280137 ΔE 0.049
- Eggplant #380835 ΔE 0.051
- Dark Plum #3F012C ΔE 0.058
- Aubergine #3D0734 ΔE 0.059
- Dark Purple #35063E ΔE 0.060
- Deep Purple #36013F ΔE 0.065
- Dark Maroon #3C0008 ΔE 0.067
Use #280B23 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.