#434179
Closest named color: Dark Slate Blue (#483D8B). oklch(40.5% 0.092 283.1), rgb(67, 65, 121).
Aa
White text reads best on this color (9.24:1).
About this color
#434179 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.092 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.034 away. White text reads best on it, at 9.24:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.27:1 |
| White text | 9.24:1 |
Values
| HEX | #434179 |
| RGB | rgb(67, 65, 121) |
| HSL | hsl(242, 30%, 36%) |
| OKLCH | oklch(40.5% 0.092 283.1) |
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 #434179 | 9.24:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #434179 | 2.27:1 | Fails | Lc 12.7 | Not readable |
| #434179 text on white | 9.24:1 | AAA | Lc 91.2 | Preferred for body text |
| #434179 text on black | 2.27:1 | Fails | Lc -11.1 | 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 800.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7ED
oklch(88.5% 0.03 283.7)
-
Step 300
300
#BBBDE3
oklch(80.9% 0.053 282.8)
-
Step 400
400
#999AD5
oklch(70.7% 0.086 283.2)
-
Step 500
500
#8080CA
oklch(63.1% 0.11 282.8)
-
Step 600
600
#6A68B7
oklch(55.5% 0.121 282.9)
-
Step 700
700
#59569D
oklch(49% 0.111 283.4)
-
Step 800
800 (this color)
#434179
oklch(40.5% 0.092 283.1)
-
Step 900
900
#3D3C66
oklch(37.7% 0.071 283.5)
-
Step 950
950
#23233C
oklch(26.9% 0.046 282.9)
#434179 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) | #2C497B | 0.036 |
| Deuteranopia (no green cones) | #294578 | 0.036 |
| Tritanopia (no blue cones) | #324C57 | 0.079 |
| Achromatopsia (no color) | #474747 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434179
#434179
oklch(40.5% 0.092 283.1)
- #524B00
#524B00
oklch(40.7% 0.086 103.4)
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 #434179, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.034
- Blueberry #464196 ΔE 0.049
- Twilight #4E518B ΔE 0.055
- Cobalt #1E488F ΔE 0.056
- Dusk #4E5481 ΔE 0.059
- Twilight Blue #0A437A ΔE 0.060
- Light Navy #155084 ΔE 0.060
- Dusk Blue #26538D ΔE 0.061
Use #434179 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.