#423045
Closest named color: Onyx (#343A40). oklch(33.8% 0.043 321.6), rgb(66, 48, 69).
Aa
White text reads best on this color (12.06:1).
About this color
#423045 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.043 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.042 away. White text reads best on it, at 12.06:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.74:1 |
| White text | 12.06:1 |
Values
| HEX | #423045 |
| RGB | rgb(66, 48, 69) |
| HSL | hsl(291, 18%, 23%) |
| OKLCH | oklch(33.8% 0.043 321.6) |
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 #423045 | 12.06:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #423045 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #423045 text on white | 12.06:1 | AAA | Lc 97.6 | Preferred for body text |
| #423045 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8EE
oklch(93.7% 0.01 320.5)
-
Step 200
200
#DFD5E0
oklch(88.4% 0.018 323)
-
Step 300
300
#CBBACD
oklch(80.9% 0.032 322.6)
-
Step 400
400
#B096B4
oklch(70.6% 0.052 321.8)
-
Step 500
500
#9D7CA2
oklch(63.1% 0.068 321.9)
-
Step 600
600
#87658D
oklch(55.5% 0.073 321.3)
-
Step 700
700
#735478
oklch(49.2% 0.068 321.7)
-
Step 800
800
#5D4561
oklch(42.7% 0.054 321.6)
-
Step 900
900 (this color)
#423045
oklch(33.8% 0.043 321.6)
-
Step 950
950
#2D222F
oklch(27% 0.028 321.1)
#423045 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) | #2E3546 | 0.037 |
| Deuteranopia (no green cones) | #323744 | 0.035 |
| Tritanopia (no blue cones) | #433237 | 0.028 |
| Achromatopsia (no color) | #363636 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423045
#423045
oklch(33.8% 0.043 321.6)
- #2B3D28
#2B3D28
oklch(33.8% 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 #423045, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.044
- Gunmetal #293241 ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.057
- Dark Blue Grey #1F3B4D ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.064
- Dark Grey Blue #29465B ΔE 0.074
- Charcoal #264653 ΔE 0.074
Use #423045 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.