#403444
Closest named color: Onyx (#343A40). oklch(34.4% 0.032 317.6), rgb(64, 52, 68).
Aa
White text reads best on this color (11.71:1).
About this color
#403444 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.032 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.030 away. White text reads best on it, at 11.71:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.032) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.79:1 |
| White text | 11.71:1 |
Values
| HEX | #403444 |
| RGB | rgb(64, 52, 68) |
| HSL | hsl(285, 13%, 24%) |
| OKLCH | oklch(34.4% 0.032 317.6) |
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 #403444 | 11.71:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #403444 | 1.79:1 | Fails | Lc 0.0 | Not readable |
| #403444 text on white | 11.71:1 | AAA | Lc 96.9 | Preferred for body text |
| #403444 text on black | 1.79:1 | 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
#ECE8ED
oklch(93.6% 0.008 319.4)
-
Step 200
200
#DDD6DF
oklch(88.4% 0.014 318.7)
-
Step 300
300
#C7BCCB
oklch(80.9% 0.024 317.1)
-
Step 400
400
#AB9AB0
oklch(70.8% 0.037 318.5)
-
Step 500
500
#96819D
oklch(63.2% 0.048 317.6)
-
Step 600
600
#806A88
oklch(55.6% 0.052 317)
-
Step 700
700
#6C5873
oklch(49% 0.049 317.2)
-
Step 800
800
#58485E
oklch(42.6% 0.041 316.7)
-
Step 900
900 (this color)
#403444
oklch(34.4% 0.032 317.6)
-
Step 950
950
#2B232D
oklch(26.9% 0.022 319.5)
#403444 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) | #323745 | 0.025 |
| Deuteranopia (no green cones) | #353843 | 0.022 |
| Tritanopia (no blue cones) | #403639 | 0.022 |
| Achromatopsia (no color) | #383838 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403444
#403444
oklch(34.4% 0.032 317.6)
- #313D2D
#313D2D
oklch(34.4% 0.032 137.9)
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 #403444, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.030
- Gunmetal #293241 ΔE 0.041
- Charcoal Grey #3C4142 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.061
- Charcoal #264653 ΔE 0.063
- Dark Grey Blue #29465B ΔE 0.064
Use #403444 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.