#3B3076
Closest named color: Dark Slate Blue (#483D8B). oklch(36.2% 0.115 286.3), rgb(59, 48, 118).
Aa
White text reads best on this color (11.22:1).
About this color
#3B3076 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.115 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.053 away. White text reads best on it, at 11.22:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.87:1 |
| White text | 11.22:1 |
Values
| HEX | #3B3076 |
| RGB | rgb(59, 48, 118) |
| HSL | hsl(249, 42%, 33%) |
| OKLCH | oklch(36.2% 0.115 286.3) |
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 #3B3076 | 11.22:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #3B3076 | 1.87:1 | Fails | Lc 8.2 | Not readable |
| #3B3076 text on white | 11.22:1 | AAA | Lc 95.7 | Preferred for body text |
| #3B3076 text on black | 1.87:1 | 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
#F4F4FD
oklch(97% 0.012 286.2)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D6D5F8
oklch(88.5% 0.048 286.7)
-
Step 300
300
#BCB9F6
oklch(81% 0.086 286.6)
-
Step 400
400
#9A92F2
oklch(70.7% 0.138 286.1)
-
Step 500
500
#8474ED
oklch(63.2% 0.176 286.3)
-
Step 600
600
#6F58DC
oklch(55.5% 0.193 286.3)
-
Step 700
700
#5D47BF
oklch(49% 0.179 286.1)
-
Step 800
800
#4C3C9A
oklch(42.8% 0.147 286.2)
-
Step 900
900 (this color)
#3B3076
oklch(36.2% 0.115 286.3)
-
Step 950
950
#241F48
oklch(26.9% 0.074 285.9)
#3B3076 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) | #023D78 | 0.063 |
| Deuteranopia (no green cones) | #013975 | 0.063 |
| Tritanopia (no blue cones) | #27404E | 0.096 |
| Achromatopsia (no color) | #3B3B3B | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B3076
#3B3076
oklch(36.2% 0.115 286.3)
- #434000
#434000
oklch(36.3% 0.078 106.7)
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 #3B3076, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.053
- Twilight Blue #0A437A ΔE 0.068
- Marine Blue #01386A ΔE 0.068
- Blueberry #464196 ΔE 0.070
- Prussian Blue #1D3557 ΔE 0.073
- Cobalt #1E488F ΔE 0.076
- Indigo #4B0082 ΔE 0.078
- Marine #042E60 ΔE 0.080
Use #3B3076 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.