#28195B
Closest named color: Dark Indigo (#1F0954). oklch(27.8% 0.112 287.2), rgb(40, 25, 91).
Aa
White text reads best on this color (15.21:1).
About this color
#28195B is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.112 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.041 away. White text reads best on it, at 15.21:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.38:1 |
| White text | 15.21:1 |
Values
| HEX | #28195B |
| RGB | rgb(40, 25, 91) |
| HSL | hsl(254, 57%, 23%) |
| OKLCH | oklch(27.8% 0.112 287.2) |
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 #28195B | 15.21:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #28195B | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #28195B text on white | 15.21:1 | AAA | Lc 101.7 | Preferred for body text |
| #28195B text on black | 1.38:1 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E8E7FF
oklch(93.6% 0.032 287.7)
-
Step 200
200
#D6D4FF
oklch(88.5% 0.059 287.3)
-
Step 300
300
#BCB7FF
oklch(80.9% 0.101 287.1)
-
Step 400
400
#9C8EFF
oklch(70.8% 0.161 287.2)
-
Step 500
500
#866BFF
oklch(63% 0.211 287.1)
-
Step 600
600
#7540FF
oklch(55.7% 0.26 287.3)
-
Step 700
700
#6514EE
oklch(49.1% 0.273 287.1)
-
Step 800
800
#521AC0
oklch(42.7% 0.226 287.3)
-
Step 900
900
#422297
oklch(37.7% 0.176 287.1)
-
Step 950
950 (this color)
#28195B
oklch(27.8% 0.112 287.2)
#28195B 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) | #00275D | 0.056 |
| Deuteranopia (no green cones) | #00245A | 0.054 |
| Tritanopia (no blue cones) | #142A37 | 0.093 |
| Achromatopsia (no color) | #262626 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28195B
#28195B
oklch(27.8% 0.112 287.2)
- #2C2A00
#2C2A00
oklch(27.8% 0.06 106.9)
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 #28195B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.041
- Midnight Blue #191970 ΔE 0.046
- Marine #042E60 ΔE 0.064
- Dark Purple #35063E ΔE 0.071
- Darkblue #030764 ΔE 0.074
- Deep Purple #36013F ΔE 0.075
- Oxford Blue #1B263B ΔE 0.076
- Space Cadet #2B2D42 ΔE 0.079
Use #28195B 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.