#403145
Closest named color: Onyx (#343A40). oklch(33.8% 0.04 317.6), rgb(64, 49, 69).
Aa
White text reads best on this color (12.04:1).
About this color
#403145 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.040 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.038 away. White text reads best on it, at 12.04:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.74:1 |
| White text | 12.04:1 |
Values
| HEX | #403145 |
| RGB | rgb(64, 49, 69) |
| HSL | hsl(285, 17%, 23%) |
| OKLCH | oklch(33.8% 0.04 317.6) |
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 #403145 | 12.04:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #403145 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #403145 text on white | 12.04:1 | AAA | Lc 97.5 | Preferred for body text |
| #403145 text on black | 1.74:1 | 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
#DED6E0
oklch(88.5% 0.016 319.4)
-
Step 300
300
#C9BBCD
oklch(80.9% 0.029 318.7)
-
Step 400
400
#AD98B4
oklch(70.7% 0.047 317.7)
-
Step 500
500
#997EA2
oklch(63.1% 0.061 317.6)
-
Step 600
600
#84678D
oklch(55.6% 0.067 318.1)
-
Step 700
700
#6F5678
oklch(49.1% 0.061 317)
-
Step 800
800
#5B4661
oklch(42.7% 0.051 318.6)
-
Step 900
900 (this color)
#403145
oklch(33.8% 0.04 317.6)
-
Step 950
950
#2C232F
oklch(27.2% 0.025 317.6)
#403145 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) | #2F3546 | 0.031 |
| Deuteranopia (no green cones) | #323744 | 0.030 |
| Tritanopia (no blue cones) | #403338 | 0.026 |
| Achromatopsia (no color) | #363636 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403145
#403145
oklch(33.8% 0.04 317.6)
- #2D3C28
#2D3C28
oklch(33.7% 0.039 138)
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 #403145, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.038
- Gunmetal #293241 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.055
- Prussian Blue #1D3557 ΔE 0.060
- Charcoal #264653 ΔE 0.070
- Dark Grey Blue #29465B ΔE 0.071
Use #403145 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.