#39356B
Closest named color: Prussian Blue (#1D3557). oklch(36.2% 0.091 284.2), rgb(57, 53, 107).
Aa
White text reads best on this color (11.07:1).
About this color
#39356B is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.091 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.055 away. White text reads best on it, at 11.07:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.89:1 |
| White text | 11.07:1 |
Values
| HEX | #39356B |
| RGB | rgb(57, 53, 107) |
| HSL | hsl(244, 34%, 31%) |
| OKLCH | oklch(36.2% 0.091 284.2) |
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 #39356B | 11.07:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #39356B | 1.89:1 | Fails | Lc 8.4 | Not readable |
| #39356B text on white | 11.07:1 | AAA | Lc 95.5 | Preferred for body text |
| #39356B text on black | 1.89:1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D5D6F2
oklch(88.4% 0.038 284)
-
Step 300
300
#BBBBEC
oklch(80.9% 0.069 284.8)
-
Step 400
400
#9997E2
oklch(70.7% 0.109 284.5)
-
Step 500
500
#817BDA
oklch(63.1% 0.14 284.5)
-
Step 600
600
#6B63C7
oklch(55.6% 0.15 284)
-
Step 700
700
#5A51AC
oklch(49.1% 0.14 284.4)
-
Step 800
800
#49438C
oklch(42.7% 0.117 284)
-
Step 900
900 (this color)
#39356B
oklch(36.2% 0.091 284.2)
-
Step 950
950
#232241
oklch(27% 0.057 283.4)
#39356B 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) | #1F3D6D | 0.039 |
| Deuteranopia (no green cones) | #1D3A6A | 0.039 |
| Tritanopia (no blue cones) | #29404B | 0.077 |
| Achromatopsia (no color) | #3C3C3C | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39356B
#39356B
oklch(36.2% 0.091 284.2)
- #443F00
#443F00
oklch(36.1% 0.076 104.5)
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 #39356B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.055
- Marine Blue #01386A ΔE 0.058
- Twilight Blue #0A437A ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.063
- Dark Grey Blue #29465B ΔE 0.067
- Dark Blue Grey #1F3B4D ΔE 0.071
- Marine #042E60 ΔE 0.072
- Cobalt #1E488F ΔE 0.077
Use #39356B 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.