#423145
Closest named color: Onyx (#343A40). oklch(34% 0.041 321.3), rgb(66, 49, 69).
Aa
White text reads best on this color (11.95:1).
About this color
#423145 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.041 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.040 away. White text reads best on it, at 11.95:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.75:1 |
| White text | 11.95:1 |
Values
| HEX | #423145 |
| RGB | rgb(66, 49, 69) |
| HSL | hsl(291, 17%, 23%) |
| OKLCH | oklch(34% 0.041 321.3) |
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 #423145 | 11.95:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #423145 | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #423145 text on white | 11.95:1 | AAA | Lc 97.4 | Preferred for body text |
| #423145 text on black | 1.75:1 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8ED
oklch(93.6% 0.009 325.6)
-
Step 200
200
#DFD6E0
oklch(88.6% 0.017 322.7)
-
Step 300
300
#CABACD
oklch(80.8% 0.032 320.9)
-
Step 400
400
#AF97B3
oklch(70.7% 0.048 321.5)
-
Step 500
500
#9B7DA1
oklch(63% 0.063 320.7)
-
Step 600
600
#86668C
oklch(55.6% 0.069 321)
-
Step 700
700
#725577
oklch(49.2% 0.064 321.4)
-
Step 800
800
#5C4561
oklch(42.6% 0.054 320.3)
-
Step 900
900 (this color)
#423145
oklch(34% 0.041 321.3)
-
Step 950
950
#2C222E
oklch(26.9% 0.026 320.7)
#423145 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) | #2F3646 | 0.035 |
| Deuteranopia (no green cones) | #333744 | 0.032 |
| Tritanopia (no blue cones) | #433338 | 0.026 |
| Achromatopsia (no color) | #373737 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423145
#423145
oklch(34% 0.041 321.3)
- #2C3E29
#2C3E29
oklch(34.2% 0.043 141)
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 #423145, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.040
- Gunmetal #293241 ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.058
- Prussian Blue #1D3557 ΔE 0.063
- Dark Grey Blue #29465B ΔE 0.072
- Charcoal #264653 ΔE 0.072
Use #423145 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.