#281748
Closest named color: Dark Indigo (#1F0954). oklch(25.8% 0.087 295.6), rgb(40, 23, 72).
Aa
White text reads best on this color (16.07:1).
About this color
#281748 is a dark, moderately saturated purple. In OKLCH its lightness is 26%, its chroma 0.087 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.043 away. White text reads best on it, at 16.07:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.30:1 |
| White text | 16.07:1 |
Values
| HEX | #281748 |
| RGB | rgb(40, 23, 72) |
| HSL | hsl(261, 52%, 19%) |
| OKLCH | oklch(25.8% 0.087 295.6) |
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 #281748 | 16.07:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #281748 | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #281748 text on white | 16.07:1 | AAA | Lc 102.8 | Preferred for body text |
| #281748 text on black | 1.30:1 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FC
oklch(93.5% 0.03 296.2)
-
Step 200
200
#DCD2FC
oklch(88.5% 0.058 296.1)
-
Step 300
300
#C6B3FC
oklch(80.9% 0.103 296)
-
Step 400
400
#AA88FB
oklch(70.7% 0.165 295.5)
-
Step 500
500
#9764F8
oklch(63% 0.212 295.6)
-
Step 600
600
#8345E7
oklch(55.6% 0.229 295.4)
-
Step 700
700
#7034C9
oklch(49.1% 0.214 295.8)
-
Step 800
800
#5B2DA3
oklch(42.8% 0.178 295.7)
-
Step 900
900
#4A2B81
oklch(37.8% 0.138 295.6)
-
Step 950
950 (this color)
#281748
oklch(25.8% 0.087 295.6)
#281748 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) | #00214A | 0.059 |
| Deuteranopia (no green cones) | #012047 | 0.059 |
| Tritanopia (no blue cones) | #20222D | 0.068 |
| Achromatopsia (no color) | #212121 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281748
#281748
oklch(25.8% 0.087 295.6)
- #222600
#222600
oklch(25.6% 0.058 115.6)
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 #281748, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.043
- Dark Purple #35063E ΔE 0.046
- Deep Purple #36013F ΔE 0.053
- Eggplant #380835 ΔE 0.057
- Oxford Blue #1B263B ΔE 0.058
- Midnight Purple #280137 ΔE 0.059
- Very Dark Purple #2A0134 ΔE 0.061
- Aubergine #3D0734 ΔE 0.065
Use #281748 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.