#3E287E
Closest named color: Indigo (#4B0082). oklch(35.8% 0.138 289.3), rgb(62, 40, 126).
Aa
White text reads best on this color (11.60:1).
About this color
#3E287E is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.138 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.057 away. White text reads best on it, at 11.60:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.80:1 |
| White text | 11.60:1 |
Values
| HEX | #3E287E |
| RGB | rgb(62, 40, 126) |
| HSL | hsl(255, 52%, 33%) |
| OKLCH | oklch(35.8% 0.138 289.3) |
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 #3E287E | 11.60:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #3E287E | 1.80:1 | Fails | Lc 7.7 | Not readable |
| #3E287E text on white | 11.60:1 | AAA | Lc 96.2 | Preferred for body text |
| #3E287E text on black | 1.80:1 | 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 900.
-
Step 50
50
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FD
oklch(93.6% 0.03 290)
-
Step 200
200
#D7D4FD
oklch(88.5% 0.056 288.5)
-
Step 300
300
#BEB6FF
oklch(80.9% 0.102 288.9)
-
Step 400
400
#9F8CFF
oklch(70.7% 0.164 289.1)
-
Step 500
500
#8B69FE
oklch(63.1% 0.212 289.4)
-
Step 600
600
#774BED
oklch(55.7% 0.229 289.2)
-
Step 700
700
#653ACE
oklch(49.2% 0.213 289.5)
-
Step 800
800
#5231A7
oklch(42.7% 0.178 289.5)
-
Step 900
900 (this color)
#3E287E
oklch(35.8% 0.138 289.3)
-
Step 950
950
#271C4D
oklch(27% 0.087 289.7)
#3E287E 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) | #003A81 | 0.074 |
| Deuteranopia (no green cones) | #00377C | 0.073 |
| Tritanopia (no blue cones) | #283D4F | 0.112 |
| Achromatopsia (no color) | #393939 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E287E
#3E287E
oklch(35.8% 0.138 289.3)
- #403F00
#403F00
oklch(35.7% 0.077 108.7)
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 #3E287E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.059
- Royal Purple #4B006E ΔE 0.069
- Blueberry #464196 ΔE 0.073
- Imperial Purple #480CA8 ΔE 0.076
- Midnight Blue #191970 ΔE 0.081
- Marine Blue #01386A ΔE 0.085
- Twilight Blue #0A437A ΔE 0.085
Use #3E287E 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.