#280731
Closest named color: Very Dark Purple (#2A0134). oklch(21.3% 0.084 318.1), rgb(40, 7, 49).
Aa
White text reads best on this color (18.02:1).
About this color
#280731 is a very dark, moderately saturated purple. In OKLCH its lightness is 21%, its chroma 0.084 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.015 away. White text reads best on it, at 18.02:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.16:1 |
| White text | 18.02:1 |
Values
| HEX | #280731 |
| RGB | rgb(40, 7, 49) |
| HSL | hsl(287, 75%, 11%) |
| OKLCH | oklch(21.3% 0.084 318.1) |
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 #280731 | 18.02:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #280731 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #280731 text on white | 18.02:1 | AAA | Lc 104.3 | Preferred for body text |
| #280731 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F2E4F7
oklch(93.6% 0.029 317.2)
-
Step 200
200
#E9CEF1
oklch(88.5% 0.055 318.4)
-
Step 300
300
#DCACEA
oklch(80.8% 0.1 318.5)
-
Step 400
400
#C97EE0
oklch(70.8% 0.158 317.9)
-
Step 500
500
#BA57D7
oklch(63% 0.203 317.9)
-
Step 600
600
#A636C4
oklch(55.7% 0.22 318.2)
-
Step 700
700
#8E26A9
oklch(49.1% 0.205 318.2)
-
Step 800
800
#732389
oklch(42.7% 0.169 317.9)
-
Step 900
900
#5D236E
oklch(37.6% 0.133 317.7)
-
Step 950
950 (this color)
#280731
oklch(21.3% 0.084 318.1)
#280731 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) | #001432 | 0.081 |
| Deuteranopia (no green cones) | #091730 | 0.071 |
| Tritanopia (no blue cones) | #280F1B | 0.052 |
| Achromatopsia (no color) | #161616 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #280731
#280731
oklch(21.3% 0.084 318.1)
- #071F00
#071F00
oklch(21.2% 0.065 137.8)
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 #280731, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.015
- Midnight Purple #280137 ΔE 0.019
- Dark Purple #35063E ΔE 0.039
- Eggplant #380835 ΔE 0.040
- Deep Purple #36013F ΔE 0.042
- Aubergine #3D0734 ΔE 0.052
- Dark Plum #3F012C ΔE 0.058
- Eggplant Purple #430541 ΔE 0.070
Use #280731 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.