#342066
Closest named color: Midnight Blue (#191970). oklch(31.3% 0.117 291.3), rgb(52, 32, 102).
Aa
White text reads best on this color (13.59:1).
About this color
#342066 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.117 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.056 away. White text reads best on it, at 13.59:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.54:1 |
| White text | 13.59:1 |
Values
| HEX | #342066 |
| RGB | rgb(52, 32, 102) |
| HSL | hsl(257, 52%, 26%) |
| OKLCH | oklch(31.3% 0.117 291.3) |
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 #342066 | 13.59:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #342066 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #342066 text on white | 13.59:1 | AAA | Lc 99.7 | Preferred for body text |
| #342066 text on black | 1.54:1 | 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 950.
-
Step 50
50
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E9E6FF
oklch(93.5% 0.034 291.2)
-
Step 200
200
#D9D3FF
oklch(88.6% 0.06 291.4)
-
Step 300
300
#C1B5FF
oklch(81% 0.104 291.3)
-
Step 400
400
#A38AFF
oklch(70.7% 0.167 291.4)
-
Step 500
500
#8F66FF
oklch(63% 0.217 291.2)
-
Step 600
600
#7F36FF
oklch(55.6% 0.268 291.5)
-
Step 700
700
#6E00EB
oklch(49% 0.275 291.3)
-
Step 800
800
#5A06C2
oklch(42.7% 0.237 291.3)
-
Step 900
900
#491B98
oklch(37.7% 0.183 291.6)
-
Step 950
950 (this color)
#342066
oklch(31.3% 0.117 291.3)
#342066 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) | #002F68 | 0.068 |
| Deuteranopia (no green cones) | #002C65 | 0.067 |
| Tritanopia (no blue cones) | #253140 | 0.093 |
| Achromatopsia (no color) | #2E2E2E | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #342066
#342066
oklch(31.3% 0.117 291.3)
- #333400
#333400
oklch(31.4% 0.069 111)
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 #342066, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.056
- Royal Purple #4B006E ΔE 0.063
- Marine #042E60 ΔE 0.068
- Indigo #4B0082 ΔE 0.073
- Prussian Blue #1D3557 ΔE 0.073
- Dark Indigo #1F0954 ΔE 0.075
- Marine Blue #01386A ΔE 0.079
- Plum Purple #4E0550 ΔE 0.079
Use #342066 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.