#28103A
Closest named color: Midnight Purple (#280137). oklch(23.4% 0.08 307.7), rgb(40, 16, 58).
Aa
White text reads best on this color (17.13:1).
About this color
#28103A is a very dark, moderately saturated purple. In OKLCH its lightness is 23%, its chroma 0.080 and its hue 308°. 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 17.13:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.22:1 |
| White text | 17.13:1 |
Values
| HEX | #28103A |
| RGB | rgb(40, 16, 58) |
| HSL | hsl(274, 57%, 15%) |
| OKLCH | oklch(23.4% 0.08 307.7) |
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 #28103A | 17.13:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #28103A | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #28103A text on white | 17.13:1 | AAA | Lc 103.8 | Preferred for body text |
| #28103A 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
#EFE5F8
oklch(93.5% 0.027 309.2)
-
Step 200
200
#E2D1F5
oklch(88.6% 0.052 306.6)
-
Step 300
300
#D1B1F0
oklch(81% 0.093 307.5)
-
Step 400
400
#BA85E9
oklch(70.8% 0.151 307.4)
-
Step 500
500
#A961E2
oklch(63% 0.194 307.5)
-
Step 600
600
#9543CF
oklch(55.6% 0.209 307.8)
-
Step 700
700
#7F33B4
oklch(49.1% 0.196 307.6)
-
Step 800
800
#672C91
oklch(42.6% 0.161 307.7)
-
Step 900
900
#542974
oklch(37.7% 0.127 307.8)
-
Step 950
950 (this color)
#28103A
oklch(23.4% 0.08 307.7)
#28103A 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) | #001B3B | 0.069 |
| Deuteranopia (no green cones) | #091C39 | 0.061 |
| Tritanopia (no blue cones) | #251823 | 0.055 |
| Achromatopsia (no color) | #1B1B1B | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28103A
#28103A
oklch(23.4% 0.08 307.7)
- #152300
#152300
oklch(23.4% 0.062 128.4)
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 #28103A, 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 0.040
- Deep Purple #36013F ΔE 0.041
- Aubergine #3D0734 ΔE 0.052
- Dark Indigo #1F0954 ΔE 0.056
- Dark Plum #3F012C ΔE 0.063
Use #28103A 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.