#3A3552
Closest named color: Onyx (#343A40). oklch(34.7% 0.05 291.5), rgb(58, 53, 82).
Aa
White text reads best on this color (11.59:1).
About this color
#3A3552 is a dark, muted purple. In OKLCH its lightness is 35%, its chroma 0.050 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.042 away. White text reads best on it, at 11.59:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.81:1 |
| White text | 11.59:1 |
Values
| HEX | #3A3552 |
| RGB | rgb(58, 53, 82) |
| HSL | hsl(250, 21%, 26%) |
| OKLCH | oklch(34.7% 0.05 291.5) |
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 #3A3552 | 11.59:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #3A3552 | 1.81:1 | Fails | Lc 0.0 | Not readable |
| #3A3552 text on white | 11.59:1 | AAA | Lc 96.7 | Preferred for body text |
| #3A3552 text on black | 1.81:1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#EAE9F1
oklch(93.7% 0.011 291.9)
-
Step 200
200
#D9D7E6
oklch(88.5% 0.021 292.1)
-
Step 300
300
#C0BDD8
oklch(80.9% 0.038 290.6)
-
Step 400
400
#A09AC4
oklch(70.6% 0.061 291.3)
-
Step 500
500
#8A81B5
oklch(63.1% 0.078 292)
-
Step 600
600
#746AA1
oklch(55.6% 0.085 291.7)
-
Step 700
700
#615889
oklch(49% 0.078 291.7)
-
Step 800
800
#4F4870
oklch(42.6% 0.066 291.4)
-
Step 900
900 (this color)
#3A3552
oklch(34.7% 0.05 291.5)
-
Step 950
950
#262435
oklch(27% 0.031 289.5)
#3A3552 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) | #2D3953 | 0.023 |
| Deuteranopia (no green cones) | #2E3851 | 0.021 |
| Tritanopia (no blue cones) | #353A3F | 0.043 |
| Achromatopsia (no color) | #393939 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A3552
#3A3552
oklch(34.7% 0.05 291.5)
- #3B3C1C
#3B3C1C
oklch(34.7% 0.05 110.3)
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 #3A3552, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.042
- Gunmetal #293241 ΔE 0.043
- Prussian Blue #1D3557 ΔE 0.043
- Dark Blue Grey #1F3B4D ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.045
- Dark Grey Blue #29465B ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.055
- Charcoal #264653 ΔE 0.058
Use #3A3552 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.