#43313F
Closest named color: Onyx (#343A40). oklch(33.9% 0.035 334.3), rgb(67, 49, 63).
Aa
White text reads best on this color (12.00:1).
About this color
#43313F is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.035 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.037 away. White text reads best on it, at 12.00:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.74:1 |
| White text | 12.00:1 |
Values
| HEX | #43313F |
| RGB | rgb(67, 49, 63) |
| HSL | hsl(313, 16%, 23%) |
| OKLCH | oklch(33.9% 0.035 334.3) |
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 #43313F | 12.00:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #43313F | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #43313F text on white | 12.00:1 | AAA | Lc 97.4 | Preferred for body text |
| #43313F 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
#DFD6DD
oklch(88.5% 0.014 333.1)
-
Step 300
300
#CCBBC7
oklch(81% 0.025 336.2)
-
Step 400
400
#B197AB
oklch(70.6% 0.041 334.1)
-
Step 500
500
#9E7E97
oklch(63.2% 0.053 333.9)
-
Step 600
600
#896781
oklch(55.7% 0.057 334.9)
-
Step 700
700
#74556D
oklch(49% 0.054 334.6)
-
Step 800
800
#5E4659
oklch(42.7% 0.044 333.8)
-
Step 900
900 (this color)
#43313F
oklch(33.9% 0.035 334.3)
-
Step 950
950
#2D222B
oklch(26.9% 0.023 332.5)
#43313F 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) | #313540 | 0.033 |
| Deuteranopia (no green cones) | #35373E | 0.031 |
| Tritanopia (no blue cones) | #453236 | 0.018 |
| Achromatopsia (no color) | #363636 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43313F
#43313F
oklch(33.9% 0.035 334.3)
- #293D30
#293D30
oklch(33.9% 0.034 155.6)
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 #43313F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.037
- Gunmetal #293241 ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.070
- Charcoal #264653 ΔE 0.073
- Dark Grey Blue #29465B ΔE 0.075
Use #43313F 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.