#433B54
Closest named color: Charcoal Grey (#3C4142). oklch(37.1% 0.043 299), rgb(67, 59, 84).
Aa
White text reads best on this color (10.54:1).
About this color
#433B54 is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.043 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.044 away. White text reads best on it, at 10.54:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.99:1 |
| White text | 10.54:1 |
Values
| HEX | #433B54 |
| RGB | rgb(67, 59, 84) |
| HSL | hsl(259, 17%, 28%) |
| OKLCH | oklch(37.1% 0.043 299) |
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 #433B54 | 10.54:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #433B54 | 1.99:1 | Fails | Lc 9.5 | Not readable |
| #433B54 text on white | 10.54:1 | AAA | Lc 94.4 | Preferred for body text |
| #433B54 text on black | 1.99:1 | 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
#EAE9EF
oklch(93.7% 0.008 293.9)
-
Step 200
200
#DAD7E4
oklch(88.5% 0.018 296.6)
-
Step 300
300
#C3BCD3
oklch(80.8% 0.033 299.5)
-
Step 400
400
#A59ABD
oklch(70.7% 0.052 299.4)
-
Step 500
500
#8F81AD
oklch(63.2% 0.067 299.1)
-
Step 600
600
#796A98
oklch(55.6% 0.072 299)
-
Step 700
700
#665882
oklch(49.1% 0.068 299.2)
-
Step 800
800
#534869
oklch(42.6% 0.055 299.4)
-
Step 900
900 (this color)
#433B54
oklch(37.1% 0.043 299)
-
Step 950
950
#282432
oklch(27.1% 0.026 297.7)
#433B54 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) | #363F55 | 0.023 |
| Deuteranopia (no green cones) | #373F53 | 0.023 |
| Tritanopia (no blue cones) | #403F44 | 0.035 |
| Achromatopsia (no color) | #3F3F3F | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433B54
#433B54
oklch(37.1% 0.043 299)
- #3D4329
#3D4329
oklch(37% 0.043 119.1)
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 #433B54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.044
- Onyx #343A40 ΔE 0.045
- Dark Grey Blue #29465B ΔE 0.047
- Charcoal #264653 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.056
- Gunmetal #293241 ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.063
- Space Cadet #2B2D42 ΔE 0.068
Use #433B54 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.