#423140
Closest named color: Onyx (#343A40). oklch(33.8% 0.035 330.3), rgb(66, 49, 64).
Aa
White text reads best on this color (12.03:1).
About this color
#423140 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.035 and its hue 330°. 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 12.03:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.74:1 |
| White text | 12.03:1 |
Values
| HEX | #423140 |
| RGB | rgb(66, 49, 64) |
| HSL | hsl(307, 15%, 23%) |
| OKLCH | oklch(33.8% 0.035 330.3) |
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 #423140 | 12.03:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #423140 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #423140 text on white | 12.03:1 | AAA | Lc 97.5 | Preferred for body text |
| #423140 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
#F7F5F6
oklch(97.2% 0.002 345.2)
-
Step 100
100
#EDE8EC
oklch(93.6% 0.008 332.1)
-
Step 200
200
#DFD6DE
oklch(88.6% 0.015 329.1)
-
Step 300
300
#CBBBC9
oklch(81% 0.026 329.8)
-
Step 400
400
#B098AD
oklch(70.8% 0.041 330.1)
-
Step 500
500
#9D7E99
oklch(63.1% 0.054 330.5)
-
Step 600
600
#876783
oklch(55.5% 0.058 330.6)
-
Step 700
700
#73566F
oklch(49.2% 0.053 331.1)
-
Step 800
800
#5D465B
oklch(42.6% 0.045 329.2)
-
Step 900
900 (this color)
#423140
oklch(33.8% 0.035 330.3)
-
Step 950
950
#2D232C
oklch(27.1% 0.022 329.4)
#423140 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 | 0.033 |
| Deuteranopia (no green cones) | #34373F | 0.031 |
| Tritanopia (no blue cones) | #433236 | 0.019 |
| Achromatopsia (no color) | #363636 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423140
#423140
oklch(33.8% 0.035 330.3)
- #2A3D2E
#2A3D2E
oklch(33.9% 0.036 150.6)
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 #423140, 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 0.051
- Dark Blue Grey #1F3B4D ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.067
- Charcoal #264653 ΔE 0.072
- Dark Grey Blue #29465B ΔE 0.074
Use #423140 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.