#3E277C
Closest named color: Indigo (#4B0082). oklch(35.4% 0.136 290.1), rgb(62, 39, 124).
Aa
White text reads best on this color (11.75:1).
About this color
#3E277C is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.136 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.055 away. White text reads best on it, at 11.75:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.78:1 |
| White text | 11.75:1 |
Values
| HEX | #3E277C |
| RGB | rgb(62, 39, 124) |
| HSL | hsl(256, 52%, 32%) |
| OKLCH | oklch(35.4% 0.136 290.1) |
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 #3E277C | 11.75:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #3E277C | 1.78:1 | Fails | Lc 7.4 | Not readable |
| #3E277C text on white | 11.75:1 | AAA | Lc 96.5 | Preferred for body text |
| #3E277C text on black | 1.78:1 | 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
#D8D3FD
oklch(88.4% 0.058 290.6)
-
Step 300
300
#BFB6FE
oklch(80.9% 0.101 289.7)
-
Step 400
400
#A18CFE
oklch(70.8% 0.163 290.1)
-
Step 500
500
#8C69FC
oklch(63% 0.209 290)
-
Step 600
600
#784BEB
oklch(55.6% 0.227 289.9)
-
Step 700
700
#663ACD
oklch(49.2% 0.212 290.1)
-
Step 800
800
#5332A5
oklch(42.8% 0.174 290.2)
-
Step 900
900 (this color)
#3E277C
oklch(35.4% 0.136 290.1)
-
Step 950
950
#271C4D
oklch(27% 0.087 289.7)
#3E277C 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) | #00397F | 0.075 |
| Deuteranopia (no green cones) | #00367A | 0.074 |
| Tritanopia (no blue cones) | #2A3C4E | 0.110 |
| Achromatopsia (no color) | #383838 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E277C
#3E277C
oklch(35.4% 0.136 290.1)
- #3E3F00
#3E3F00
oklch(35.5% 0.078 110.8)
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 #3E277C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.055
- Dark Slate Blue #483D8B ΔE 0.062
- Royal Purple #4B006E ΔE 0.066
- Blueberry #464196 ΔE 0.077
- Imperial Purple #480CA8 ΔE 0.078
- Midnight Blue #191970 ΔE 0.079
- Marine Blue #01386A ΔE 0.085
- Twilight Blue #0A437A ΔE 0.087
Use #3E277C 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.