#39347A
Closest named color: Dark Slate Blue (#483D8B). oklch(37.1% 0.115 282.4), rgb(57, 52, 122).
Aa
White text reads best on this color (10.79:1).
About this color
#39347A is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.115 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.045 away. White text reads best on it, at 10.79:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.94:1 |
| White text | 10.79:1 |
Values
| HEX | #39347A |
| RGB | rgb(57, 52, 122) |
| HSL | hsl(244, 40%, 34%) |
| OKLCH | oklch(37.1% 0.115 282.4) |
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 #39347A | 10.79:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #39347A | 1.94:1 | Fails | Lc 9.2 | Not readable |
| #39347A text on white | 10.79:1 | AAA | Lc 94.7 | Preferred for body text |
| #39347A text on black | 1.94:1 | 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
#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
#B8BAF8
oklch(80.9% 0.087 282.8)
-
Step 400
400
#9494F4
oklch(70.7% 0.139 282.3)
-
Step 500
500
#7C76EF
oklch(63% 0.176 282.3)
-
Step 600
600
#685BDE
oklch(55.6% 0.192 282.6)
-
Step 700
700
#574AC1
oklch(49.2% 0.179 282.5)
-
Step 800
800
#463E9C
oklch(42.8% 0.148 282)
-
Step 900
900 (this color)
#39347A
oklch(37.1% 0.115 282.4)
-
Step 950
950
#222049
oklch(27% 0.074 282.5)
#39347A 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) | #08407C | 0.055 |
| Deuteranopia (no green cones) | #013B79 | 0.056 |
| Tritanopia (no blue cones) | #1F4451 | 0.100 |
| Achromatopsia (no color) | #3D3D3D | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39347A
#39347A
oklch(37.1% 0.115 282.4)
- #484100
#484100
oklch(37.1% 0.078 102.6)
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 #39347A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.045
- Twilight Blue #0A437A ΔE 0.058
- Blueberry #464196 ΔE 0.061
- Cobalt #1E488F ΔE 0.064
- Marine Blue #01386A ΔE 0.066
- Prussian Blue #1D3557 ΔE 0.075
- Light Navy #155084 ΔE 0.081
- Marine #042E60 ΔE 0.082
Use #39347A 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.