#39387E
Closest named color: Dark Slate Blue (#483D8B). oklch(38.2% 0.115 280.1), rgb(57, 56, 126).
Aa
White text reads best on this color (10.28:1).
About this color
#39387E is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.115 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.036 away. White text reads best on it, at 10.28:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.28:1 |
Values
| HEX | #39387E |
| RGB | rgb(57, 56, 126) |
| HSL | hsl(241, 38%, 36%) |
| OKLCH | oklch(38.2% 0.115 280.1) |
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 #39387E | 10.28:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #39387E | 2.04:1 | Fails | Lc 10.3 | Not readable |
| #39387E text on white | 10.28:1 | AAA | Lc 93.6 | Preferred for body text |
| #39387E text on black | 2.04:1 | Fails | Lc -8.9 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D2D6F9
oklch(88.4% 0.048 280.2)
-
Step 300
300
#B5BBF8
oklch(80.9% 0.086 279.9)
-
Step 400
400
#9195F5
oklch(70.7% 0.139 280.4)
-
Step 500
500
#7878F1
oklch(63.2% 0.177 280.1)
-
Step 600
600
#635DDF
oklch(55.6% 0.192 280.2)
-
Step 700
700
#524BC2
oklch(49% 0.18 280.1)
-
Step 800
800
#433F9D
oklch(42.8% 0.148 280)
-
Step 900
900 (this color)
#39387E
oklch(38.2% 0.115 280.1)
-
Step 950
950
#202149
oklch(27.1% 0.073 279.3)
#39387E 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) | #104380 | 0.049 |
| Deuteranopia (no green cones) | #053E7D | 0.051 |
| Tritanopia (no blue cones) | #1B4855 | 0.100 |
| Achromatopsia (no color) | #404040 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39387E
#39387E
oklch(38.2% 0.115 280.1)
- #4D4300
#4D4300
oklch(38.1% 0.079 99.6)
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 #39387E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.036
- Blueberry #464196 ΔE 0.051
- Twilight Blue #0A437A ΔE 0.053
- Cobalt #1E488F ΔE 0.054
- Marine Blue #01386A ΔE 0.068
- Light Navy #155084 ΔE 0.071
- Dusk Blue #26538D ΔE 0.076
- Sapphire #2138AB ΔE 0.080
Use #39387E 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.