#433A69
Closest named color: Dark Slate Blue (#483D8B). oklch(38.1% 0.079 291), rgb(67, 58, 105).
Aa
White text reads best on this color (10.25:1).
About this color
#433A69 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.079 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.058 away. White text reads best on it, at 10.25:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.25:1 |
Values
| HEX | #433A69 |
| RGB | rgb(67, 58, 105) |
| HSL | hsl(251, 29%, 32%) |
| OKLCH | oklch(38.1% 0.079 291) |
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 #433A69 | 10.25:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #433A69 | 2.04:1 | Fails | Lc 10.2 | Not readable |
| #433A69 text on white | 10.25:1 | AAA | Lc 93.7 | Preferred for body text |
| #433A69 text on black | 2.04:1 | Fails | Lc -8.8 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D9D6EE
oklch(88.6% 0.033 291.5)
-
Step 300
300
#C0BBE5
oklch(81% 0.059 290.5)
-
Step 400
400
#A096D7
oklch(70.6% 0.094 290.8)
-
Step 500
500
#8A7BCD
oklch(63.1% 0.121 290.9)
-
Step 600
600
#7563BA
oklch(55.7% 0.132 291)
-
Step 700
700
#6251A0
oklch(49% 0.123 291.1)
-
Step 800
800
#504382
oklch(42.7% 0.102 290.9)
-
Step 900
900 (this color)
#433A69
oklch(38.1% 0.079 291)
-
Step 950
950
#27223D
oklch(27.1% 0.049 291.2)
#433A69 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) | #2B426B | 0.040 |
| Deuteranopia (no green cones) | #2C4068 | 0.037 |
| Tritanopia (no blue cones) | #3A434C | 0.066 |
| Achromatopsia (no color) | #414141 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433A69
#433A69
oklch(38.1% 0.079 291)
- #454608
#454608
oklch(38.1% 0.079 110.6)
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 #433A69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.058
- Dark Grey Blue #29465B ΔE 0.060
- Twilight Blue #0A437A ΔE 0.067
- Prussian Blue #1D3557 ΔE 0.069
- Charcoal #264653 ΔE 0.072
- Dark Blue Grey #1F3B4D ΔE 0.075
- Marine Blue #01386A ΔE 0.076
- Blueberry #464196 ΔE 0.076
Use #433A69 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.