#433B52
Closest named color: Charcoal Grey (#3C4142). oklch(37% 0.04 300.4), rgb(67, 59, 82).
Aa
White text reads best on this color (10.57:1).
About this color
#433B52 is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.040 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.041 away. White text reads best on it, at 10.57:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.98:1 |
| White text | 10.57:1 |
Values
| HEX | #433B52 |
| RGB | rgb(67, 59, 82) |
| HSL | hsl(261, 16%, 28%) |
| OKLCH | oklch(37% 0.04 300.4) |
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 #433B52 | 10.57:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #433B52 | 1.98:1 | Fails | Lc 9.4 | Not readable |
| #433B52 text on white | 10.57:1 | AAA | Lc 94.5 | Preferred for body text |
| #433B52 text on black | 1.98:1 | Fails | Lc -8.1 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EBE9EF
oklch(93.7% 0.008 301.4)
-
Step 200
200
#DBD7E3
oklch(88.6% 0.017 301.2)
-
Step 300
300
#C3BDD2
oklch(81% 0.03 298.8)
-
Step 400
400
#A59ABB
oklch(70.7% 0.049 300.4)
-
Step 500
500
#8F81AA
oklch(63.1% 0.063 300.2)
-
Step 600
600
#796A95
oklch(55.5% 0.068 300.2)
-
Step 700
700
#66597F
oklch(49.2% 0.062 299.8)
-
Step 800
800
#534967
oklch(42.8% 0.05 299.6)
-
Step 900
900 (this color)
#433B52
oklch(37% 0.04 300.4)
-
Step 950
950
#282431
oklch(27% 0.024 298.9)
#433B52 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) | #363F53 | 0.023 |
| Deuteranopia (no green cones) | #383F51 | 0.021 |
| Tritanopia (no blue cones) | #403E43 | 0.031 |
| Achromatopsia (no color) | #3F3F3F | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433B52
#433B52
oklch(37% 0.04 300.4)
- #3D432B
#3D432B
oklch(37% 0.04 119.8)
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 #433B52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.041
- Onyx #343A40 ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.047
- Charcoal #264653 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.055
- Gunmetal #293241 ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.064
- Space Cadet #2B2D42 ΔE 0.067
Use #433B52 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.