#3D2980
Closest named color: Dark Slate Blue (#483D8B). oklch(36% 0.139 287.9), rgb(61, 41, 128).
Aa
White text reads best on this color (11.49:1).
About this color
#3D2980 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.139 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.056 away. White text reads best on it, at 11.49:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.82:1 |
| White text | 11.49:1 |
Values
| HEX | #3D2980 |
| RGB | rgb(61, 41, 128) |
| HSL | hsl(254, 51%, 33%) |
| OKLCH | oklch(36% 0.139 287.9) |
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 #3D2980 | 11.49:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #3D2980 | 1.82:1 | Fails | Lc 7.9 | Not readable |
| #3D2980 text on white | 11.49:1 | AAA | Lc 96.0 | Preferred for body text |
| #3D2980 text on black | 1.82:1 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E8E7FE
oklch(93.6% 0.031 287.8)
-
Step 200
200
#D6D4FE
oklch(88.5% 0.058 287.3)
-
Step 300
300
#BDB6FF
oklch(80.8% 0.102 288.3)
-
Step 400
400
#9D8DFF
oklch(70.7% 0.163 287.9)
-
Step 500
500
#886AFF
oklch(63% 0.212 288)
-
Step 600
600
#744BEF
oklch(55.6% 0.231 287.9)
-
Step 700
700
#623AD0
oklch(49% 0.215 287.9)
-
Step 800
800
#5032A8
oklch(42.7% 0.178 288.1)
-
Step 900
900 (this color)
#3D2980
oklch(36% 0.139 287.9)
-
Step 950
950
#261C4E
oklch(27% 0.088 288.2)
#3D2980 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) | #003B83 | 0.072 |
| Deuteranopia (no green cones) | #00377E | 0.070 |
| Tritanopia (no blue cones) | #253E50 | 0.114 |
| Achromatopsia (no color) | #393939 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D2980
#3D2980
oklch(36% 0.139 287.9)
- #414000
#414000
oklch(36.1% 0.078 108.8)
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 #3D2980, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.056
- Indigo #4B0082 ΔE 0.059
- Blueberry #464196 ΔE 0.070
- Royal Purple #4B006E ΔE 0.073
- Imperial Purple #480CA8 ΔE 0.074
- Midnight Blue #191970 ΔE 0.081
- Twilight Blue #0A437A ΔE 0.083
- Indigo Blue #3A18B1 ΔE 0.084
Use #3D2980 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.