#281751
Closest named color: Dark Indigo (#1F0954). oklch(26.6% 0.1 291.5), rgb(40, 23, 81).
Aa
White text reads best on this color (15.77:1).
About this color
#281751 is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.100 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.036 away. White text reads best on it, at 15.77:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.33:1 |
| White text | 15.77:1 |
Values
| HEX | #281751 |
| RGB | rgb(40, 23, 81) |
| HSL | hsl(258, 56%, 20%) |
| OKLCH | oklch(26.6% 0.1 291.5) |
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 #281751 | 15.77:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #281751 | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #281751 text on white | 15.77:1 | AAA | Lc 102.4 | Preferred for body text |
| #281751 text on black | 1.33:1 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#EAE6FF
oklch(93.6% 0.034 293.1)
-
Step 200
200
#D9D3FF
oklch(88.6% 0.06 291.4)
-
Step 300
300
#C1B5FF
oklch(81% 0.104 291.3)
-
Step 400
400
#A38AFF
oklch(70.7% 0.167 291.4)
-
Step 500
500
#9066FF
oklch(63.1% 0.217 291.6)
-
Step 600
600
#7F38FD
oklch(55.6% 0.265 291.6)
-
Step 700
700
#6C26DC
oklch(49.1% 0.246 291.8)
-
Step 800
800
#5724B2
oklch(42.7% 0.204 291.5)
-
Step 900
900
#47268D
oklch(37.7% 0.159 291.5)
-
Step 950
950 (this color)
#281751
oklch(26.6% 0.1 291.5)
#281751 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) | #002453 | 0.059 |
| Deuteranopia (no green cones) | #002250 | 0.058 |
| Tritanopia (no blue cones) | #1B2531 | 0.081 |
| Achromatopsia (no color) | #232323 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281751
#281751
oklch(26.6% 0.1 291.5)
- #272800
#272800
oklch(26.7% 0.059 111.2)
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 #281751, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.036
- Dark Purple #35063E ΔE 0.055
- Deep Purple #36013F ΔE 0.061
- Midnight Blue #191970 ΔE 0.063
- Oxford Blue #1B263B ΔE 0.067
- Eggplant #380835 ΔE 0.069
- Midnight Purple #280137 ΔE 0.069
- Eggplant Purple #430541 ΔE 0.072
Use #281751 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.