#383278
Closest named color: Dark Slate Blue (#483D8B). oklch(36.5% 0.115 282.9), rgb(56, 50, 120).
Aa
White text reads best on this color (11.07:1).
About this color
#383278 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.115 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.051 away. White text reads best on it, at 11.07:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.89:1 |
| White text | 11.07:1 |
Values
| HEX | #383278 |
| RGB | rgb(56, 50, 120) |
| HSL | hsl(245, 41%, 33%) |
| OKLCH | oklch(36.5% 0.115 282.9) |
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 #383278 | 11.07:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #383278 | 1.89:1 | Fails | Lc 8.6 | Not readable |
| #383278 text on white | 11.07:1 | AAA | Lc 95.3 | Preferred for body text |
| #383278 text on black | 1.89:1 | Fails | Lc -7.3 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FB
oklch(93.6% 0.026 283.5)
-
Step 200
200
#D4D6F9
oklch(88.6% 0.048 282.8)
-
Step 300
300
#B8BAF7
oklch(80.9% 0.086 282.8)
-
Step 400
400
#9594F4
oklch(70.8% 0.139 282.7)
-
Step 500
500
#7D76EF
oklch(63.1% 0.176 282.7)
-
Step 600
600
#695BDE
oklch(55.7% 0.192 283)
-
Step 700
700
#584AC1
oklch(49.3% 0.179 283)
-
Step 800
800
#473D9C
oklch(42.7% 0.149 282.8)
-
Step 900
900 (this color)
#383278
oklch(36.5% 0.115 282.9)
-
Step 950
950
#222048
oklch(26.9% 0.072 282.7)
#383278 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) | #043E7A | 0.056 |
| Deuteranopia (no green cones) | #003977 | 0.057 |
| Tritanopia (no blue cones) | #1F4250 | 0.098 |
| Achromatopsia (no color) | #3C3C3C | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #383278
#383278
oklch(36.5% 0.115 282.9)
- #463F00
#463F00
oklch(36.3% 0.076 102.4)
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 #383278, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.051
- Twilight Blue #0A437A ΔE 0.061
- Marine Blue #01386A ΔE 0.064
- Blueberry #464196 ΔE 0.067
- Cobalt #1E488F ΔE 0.070
- Prussian Blue #1D3557 ΔE 0.072
- Marine #042E60 ΔE 0.078
- Indigo #4B0082 ΔE 0.083
Use #383278 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.