#403140
Closest named color: Onyx (#343A40). oklch(33.6% 0.033 326.3), rgb(64, 49, 64).
Aa
White text reads best on this color (12.12:1).
About this color
#403140 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.033 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.034 away. White text reads best on it, at 12.12:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.033) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.73:1 |
| White text | 12.12:1 |
Values
| HEX | #403140 |
| RGB | rgb(64, 49, 64) |
| HSL | hsl(300, 13%, 22%) |
| OKLCH | oklch(33.6% 0.033 326.3) |
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 #403140 | 12.12:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #403140 | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #403140 text on white | 12.12:1 | AAA | Lc 97.7 | Preferred for body text |
| #403140 text on black | 1.73:1 | 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
#F7F5F7
oklch(97.2% 0.003 325.6)
-
Step 100
100
#ECE8EC
oklch(93.5% 0.007 325.6)
-
Step 200
200
#DED6DE
oklch(88.5% 0.014 325.7)
-
Step 300
300
#C9BBC9
oklch(80.8% 0.025 325.8)
-
Step 400
400
#AE98AE
oklch(70.6% 0.04 326)
-
Step 500
500
#9A7F9A
oklch(63.1% 0.051 326.2)
-
Step 600
600
#856885
oklch(55.6% 0.056 326.3)
-
Step 700
700
#705770
oklch(49.1% 0.05 326.3)
-
Step 800
800
#5B475B
oklch(42.6% 0.041 326.3)
-
Step 900
900 (this color)
#403140
oklch(33.6% 0.033 326.3)
-
Step 950
950
#2C232C
oklch(27% 0.021 326.1)
#403140 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) | #303541 | 0.029 |
| Deuteranopia (no green cones) | #33363F | 0.027 |
| Tritanopia (no blue cones) | #413236 | 0.019 |
| Achromatopsia (no color) | #363636 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403140
#403140
oklch(33.6% 0.033 326.3)
- #2C3C2D
#2C3C2D
oklch(33.7% 0.033 146.4)
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 #403140, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.034
- Gunmetal #293241 ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.056
- Prussian Blue #1D3557 ΔE 0.064
- Charcoal #264653 ΔE 0.071
- Midnight Green #073B4C ΔE 0.073
Use #403140 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.