#39367A
Closest named color: Dark Slate Blue (#483D8B). oklch(37.5% 0.112 281.5), rgb(57, 54, 122).
Aa
White text reads best on this color (10.59:1).
About this color
#39367A is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.112 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.042 away. White text reads best on it, at 10.59:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.98:1 |
| White text | 10.59:1 |
Values
| HEX | #39367A |
| RGB | rgb(57, 54, 122) |
| HSL | hsl(243, 39%, 35%) |
| OKLCH | oklch(37.5% 0.112 281.5) |
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 #39367A | 10.59:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #39367A | 1.98:1 | Fails | Lc 9.6 | Not readable |
| #39367A text on white | 10.59:1 | AAA | Lc 94.3 | Preferred for body text |
| #39367A text on black | 1.98:1 | Fails | Lc -8.2 | 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
#E7E8FA
oklch(93.6% 0.024 283.4)
-
Step 200
200
#D3D6F8
oklch(88.5% 0.047 281.4)
-
Step 300
300
#B7BBF6
oklch(81% 0.083 281.3)
-
Step 400
400
#9395F2
oklch(70.7% 0.135 281.4)
-
Step 500
500
#7B78ED
oklch(63.2% 0.171 281.5)
-
Step 600
600
#665DDC
oklch(55.6% 0.187 281.6)
-
Step 700
700
#554CBF
oklch(49.2% 0.174 281.4)
-
Step 800
800
#453F9A
oklch(42.7% 0.144 281.4)
-
Step 900
900 (this color)
#39367A
oklch(37.5% 0.112 281.5)
-
Step 950
950
#212148
oklch(27.1% 0.071 280.6)
#39367A 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) | #10417C | 0.050 |
| Deuteranopia (no green cones) | #083C79 | 0.052 |
| Tritanopia (no blue cones) | #1F4552 | 0.097 |
| Achromatopsia (no color) | #3F3F3F | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39367A
#39367A
oklch(37.5% 0.112 281.5)
- #4A4200
#4A4200
oklch(37.6% 0.079 101.6)
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 #39367A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.042
- Twilight Blue #0A437A ΔE 0.055
- Blueberry #464196 ΔE 0.058
- Cobalt #1E488F ΔE 0.061
- Marine Blue #01386A ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.075
- Light Navy #155084 ΔE 0.076
- Dark Grey Blue #29465B ΔE 0.081
Use #39367A 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.