#3C376D
Closest named color: Dark Slate Blue (#483D8B). oklch(37% 0.09 285.3), rgb(60, 55, 109).
Aa
White text reads best on this color (10.71:1).
About this color
#3C376D is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.090 and its hue 285°. 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 10.71:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.95:1 |
| White text | 10.71:1 |
Values
| HEX | #3C376D |
| RGB | rgb(60, 55, 109) |
| HSL | hsl(246, 33%, 32%) |
| OKLCH | oklch(37% 0.09 285.3) |
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 #3C376D | 10.71:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #3C376D | 1.95:1 | Fails | Lc 9.2 | Not readable |
| #3C376D text on white | 10.71:1 | AAA | Lc 94.7 | Preferred for body text |
| #3C376D text on black | 1.95:1 | Fails | Lc -7.9 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D6D6F2
oklch(88.5% 0.038 285.6)
-
Step 300
300
#BCBBEB
oklch(80.9% 0.067 285.7)
-
Step 400
400
#9A97E2
oklch(70.8% 0.109 285.1)
-
Step 500
500
#827BD9
oklch(63.1% 0.139 285.1)
-
Step 600
600
#6D62C6
oklch(55.6% 0.15 285.4)
-
Step 700
700
#5B51AC
oklch(49.2% 0.14 285)
-
Step 800
800
#4A438B
oklch(42.8% 0.116 284.8)
-
Step 900
900 (this color)
#3C376D
oklch(37% 0.09 285.3)
-
Step 950
950
#242241
oklch(27.1% 0.057 284.9)
#3C376D 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) | #223F6F | 0.040 |
| Deuteranopia (no green cones) | #203C6C | 0.040 |
| Tritanopia (no blue cones) | #2D424C | 0.078 |
| Achromatopsia (no color) | #3E3E3E | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C376D
#3C376D
oklch(37% 0.09 285.3)
- #464200
#464200
oklch(37.1% 0.079 105.8)
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 #3C376D, 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
- Twilight Blue #0A437A ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.061
- Marine Blue #01386A ΔE 0.063
- Dark Grey Blue #29465B ΔE 0.065
- Cobalt #1E488F ΔE 0.073
- Blueberry #464196 ΔE 0.074
- Dark Blue Grey #1F3B4D ΔE 0.075
Use #3C376D 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.