#433367
Closest named color: Dark Slate Blue (#483D8B). oklch(36.5% 0.088 295.9), rgb(67, 51, 103).
Aa
White text reads best on this color (11.00:1).
About this color
#433367 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.088 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.064 away. White text reads best on it, at 11.00:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.90:1 |
| White text | 11.00:1 |
Values
| HEX | #433367 |
| RGB | rgb(67, 51, 103) |
| HSL | hsl(258, 34%, 30%) |
| OKLCH | oklch(36.5% 0.088 295.9) |
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 #433367 | 11.00:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #433367 | 1.90:1 | Fails | Lc 8.6 | Not readable |
| #433367 text on white | 11.00:1 | AAA | Lc 95.3 | Preferred for body text |
| #433367 text on black | 1.90:1 | Fails | Lc -7.3 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE8F6
oklch(93.7% 0.019 295.9)
-
Step 200
200
#DBD5EF
oklch(88.6% 0.036 296.2)
-
Step 300
300
#C4B9E7
oklch(81% 0.065 295.9)
-
Step 400
400
#A693DB
oklch(70.7% 0.105 295.7)
-
Step 500
500
#9176D1
oklch(63% 0.135 296)
-
Step 600
600
#7C5DBE
oklch(55.5% 0.147 296)
-
Step 700
700
#694CA4
oklch(49% 0.137 296.2)
-
Step 800
800
#553F85
oklch(42.6% 0.113 295.7)
-
Step 900
900 (this color)
#433367
oklch(36.5% 0.088 295.9)
-
Step 950
950
#29203E
oklch(27% 0.055 296.3)
#433367 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) | #223C69 | 0.053 |
| Deuteranopia (no green cones) | #253B66 | 0.049 |
| Tritanopia (no blue cones) | #3B3D48 | 0.070 |
| Achromatopsia (no color) | #3C3C3C | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433367
#433367
oklch(36.5% 0.088 295.9)
- #3D4300
#3D4300
oklch(36.5% 0.083 115.4)
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 #433367, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.064
- Prussian Blue #1D3557 ΔE 0.066
- Dark Grey Blue #29465B ΔE 0.074
- Marine Blue #01386A ΔE 0.076
- Twilight Blue #0A437A ΔE 0.076
- Dark Blue Grey #1F3B4D ΔE 0.079
- Space Cadet #2B2D42 ΔE 0.080
- Onyx #343A40 ΔE 0.082
Use #433367 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.