#28103B
Closest named color: Midnight Purple (#280137). oklch(23.4% 0.081 306.9), rgb(40, 16, 59).
Aa
White text reads best on this color (17.10:1).
About this color
#28103B is a very dark, moderately saturated purple. In OKLCH its lightness is 23%, its chroma 0.081 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.034 away. White text reads best on it, at 17.10:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.22:1 |
| White text | 17.10:1 |
Values
| HEX | #28103B |
| RGB | rgb(40, 16, 59) |
| HSL | hsl(273, 57%, 15%) |
| OKLCH | oklch(23.4% 0.081 306.9) |
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 #28103B | 17.10:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #28103B | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #28103B text on white | 17.10:1 | AAA | Lc 103.7 | Preferred for body text |
| #28103B text on black | 1.22:1 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE5F9
oklch(93.6% 0.029 308.1)
-
Step 200
200
#E2D1F5
oklch(88.6% 0.052 306.6)
-
Step 300
300
#D1B1F2
oklch(81% 0.096 306.8)
-
Step 400
400
#BA84EB
oklch(70.7% 0.155 307)
-
Step 500
500
#A961E4
oklch(63.1% 0.196 307)
-
Step 600
600
#9442D2
oklch(55.6% 0.213 306.8)
-
Step 700
700
#7E32B6
oklch(49% 0.199 306.7)
-
Step 800
800
#672B93
oklch(42.7% 0.165 307.1)
-
Step 900
900
#532975
oklch(37.6% 0.128 306.7)
-
Step 950
950 (this color)
#28103B
oklch(23.4% 0.081 306.9)
#28103B 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) | #001B3C | 0.069 |
| Deuteranopia (no green cones) | #081C3A | 0.062 |
| Tritanopia (no blue cones) | #251923 | 0.058 |
| Achromatopsia (no color) | #1C1C1C | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28103B
#28103B
oklch(23.4% 0.081 306.9)
- #162300
#162300
oklch(23.5% 0.061 127.4)
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 #28103B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.034
- Dark Purple #35063E ΔE 0.034
- Very Dark Purple #2A0134 ΔE 0.035
- Eggplant #380835 ΔE 0.041
- Deep Purple #36013F ΔE 0.041
- Aubergine #3D0734 ΔE 0.052
- Dark Indigo #1F0954 ΔE 0.054
- Eggplant Purple #430541 ΔE 0.064
Use #28103B 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.