#433E63
Closest named color: Dark Grey Blue (#29465B). oklch(38.6% 0.062 289.3), rgb(67, 62, 99).
Aa
White text reads best on this color (9.96:1).
About this color
#433E63 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.062 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.047 away. White text reads best on it, at 9.96:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.10:1 |
| White text | 9.96:1 |
Values
| HEX | #433E63 |
| RGB | rgb(67, 62, 99) |
| HSL | hsl(248, 23%, 32%) |
| OKLCH | oklch(38.6% 0.062 289.3) |
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 #433E63 | 9.96:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #433E63 | 2.10:1 | Fails | Lc 10.9 | Not readable |
| #433E63 text on white | 9.96:1 | AAA | Lc 93.1 | Preferred for body text |
| #433E63 text on black | 2.10:1 | Fails | Lc -9.4 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D8D7EA
oklch(88.6% 0.026 288.3)
-
Step 300
300
#BFBCDE
oklch(80.9% 0.048 289.3)
-
Step 400
400
#9F99CD
oklch(70.7% 0.075 289.6)
-
Step 500
500
#8880C0
oklch(63.2% 0.095 289.1)
-
Step 600
600
#7268AC
oklch(55.6% 0.104 289.3)
-
Step 700
700
#605694
oklch(49.1% 0.098 289.7)
-
Step 800
800
#4E4778
oklch(42.7% 0.08 289.1)
-
Step 900
900 (this color)
#433E63
oklch(38.6% 0.062 289.3)
-
Step 950
950
#262339
oklch(27% 0.04 289.7)
#433E63 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) | #334364 | 0.027 |
| Deuteranopia (no green cones) | #334262 | 0.027 |
| Tritanopia (no blue cones) | #3C454C | 0.052 |
| Achromatopsia (no color) | #434343 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433E63
#433E63
oklch(38.6% 0.062 289.3)
- #46471C
#46471C
oklch(38.7% 0.063 110.2)
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 #433E63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.047
- Charcoal #264653 ΔE 0.059
- Charcoal Grey #3C4142 ΔE 0.063
- Onyx #343A40 ΔE 0.067
- Dark Blue Grey #1F3B4D ΔE 0.068
- Prussian Blue #1D3557 ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.069
- Twilight Blue #0A437A ΔE 0.069
Use #433E63 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.