#403349
Closest named color: Onyx (#343A40). oklch(34.4% 0.041 311.1), rgb(64, 51, 73).
Aa
White text reads best on this color (11.74:1).
About this color
#403349 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.041 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.037 away. White text reads best on it, at 11.74:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.78:1 |
| White text | 11.74:1 |
Values
| HEX | #403349 |
| RGB | rgb(64, 51, 73) |
| HSL | hsl(275, 18%, 24%) |
| OKLCH | oklch(34.4% 0.041 311.1) |
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 #403349 | 11.74:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #403349 | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #403349 text on white | 11.74:1 | AAA | Lc 97.0 | Preferred for body text |
| #403349 text on black | 1.78:1 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#ECE8EE
oklch(93.6% 0.009 314.8)
-
Step 200
200
#DDD6E2
oklch(88.5% 0.018 311.6)
-
Step 300
300
#C7BBD0
oklch(80.8% 0.032 310.9)
-
Step 400
400
#AB98B8
oklch(70.7% 0.051 311.6)
-
Step 500
500
#967FA6
oklch(63.1% 0.063 311.2)
-
Step 600
600
#806891
oklch(55.6% 0.068 310.8)
-
Step 700
700
#6C567C
oklch(49% 0.065 310.5)
-
Step 800
800
#584765
oklch(42.7% 0.053 310)
-
Step 900
900 (this color)
#403349
oklch(34.4% 0.041 311.1)
-
Step 950
950
#2B2330
oklch(27.1% 0.026 312.3)
#403349 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) | #30374A | 0.029 |
| Deuteranopia (no green cones) | #323848 | 0.028 |
| Tritanopia (no blue cones) | #3F363B | 0.030 |
| Achromatopsia (no color) | #383838 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403349
#403349
oklch(34.4% 0.041 311.1)
- #313E27
#313E27
oklch(34.5% 0.042 132.2)
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 #403349, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.037
- Gunmetal #293241 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.057
- Dark Grey Blue #29465B ΔE 0.064
- Charcoal #264653 ΔE 0.065
Use #403349 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.