#423243
Closest named color: Onyx (#343A40). oklch(34.2% 0.036 324.4), rgb(66, 50, 67).
Aa
White text reads best on this color (11.87:1).
About this color
#423243 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.036 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.036 away. White text reads best on it, at 11.87:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.036) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.76:1 |
| White text | 11.87:1 |
Values
| HEX | #423243 |
| RGB | rgb(66, 50, 67) |
| HSL | hsl(296, 15%, 23%) |
| OKLCH | oklch(34.2% 0.036 324.4) |
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 #423243 | 11.87:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #423243 | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #423243 text on white | 11.87:1 | AAA | Lc 97.2 | Preferred for body text |
| #423243 text on black | 1.76:1 | 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
#EDE8ED
oklch(93.6% 0.009 325.6)
-
Step 200
200
#DED6DF
oklch(88.5% 0.015 322.3)
-
Step 300
300
#CABBCB
oklch(80.9% 0.028 323.9)
-
Step 400
400
#AF98B0
oklch(70.8% 0.043 324.7)
-
Step 500
500
#9B7E9D
oklch(63.1% 0.057 324.2)
-
Step 600
600
#856787
oklch(55.5% 0.06 324.3)
-
Step 700
700
#715673
oklch(49.1% 0.056 324.1)
-
Step 800
800
#5C465D
oklch(42.6% 0.047 324.9)
-
Step 900
900 (this color)
#423243
oklch(34.2% 0.036 324.4)
-
Step 950
950
#2C232D
oklch(27.1% 0.022 322.9)
#423243 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) | #313644 | 0.031 |
| Deuteranopia (no green cones) | #343842 | 0.030 |
| Tritanopia (no blue cones) | #433338 | 0.021 |
| Achromatopsia (no color) | #373737 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423243
#423243
oklch(34.2% 0.036 324.4)
- #2D3D2D
#2D3D2D
oklch(34.1% 0.035 144.8)
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 #423243, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.036
- Gunmetal #293241 ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.057
- Prussian Blue #1D3557 ΔE 0.065
- Charcoal #264653 ΔE 0.069
- Dark Grey Blue #29465B ΔE 0.070
Use #423243 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.