#434279
Closest named color: Dark Slate Blue (#483D8B). oklch(40.8% 0.091 282.4), rgb(67, 66, 121).
Aa
White text reads best on this color (9.15:1).
About this color
#434279 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.091 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.035 away. White text reads best on it, at 9.15:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.29:1 |
| White text | 9.15:1 |
Values
| HEX | #434279 |
| RGB | rgb(67, 66, 121) |
| HSL | hsl(241, 29%, 37%) |
| OKLCH | oklch(40.8% 0.091 282.4) |
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 #434279 | 9.15:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #434279 | 2.29:1 | Fails | Lc 13.0 | Not readable |
| #434279 text on white | 9.15:1 | AAA | Lc 91.0 | Preferred for body text |
| #434279 text on black | 2.29:1 | Fails | Lc -11.4 | 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 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
#989AD4
oklch(70.6% 0.084 282.5)
-
Step 500
500
#8080C9
oklch(63% 0.109 282.8)
-
Step 600
600
#6A69B6
oklch(55.7% 0.118 282.5)
-
Step 700
700
#58579D
oklch(49.1% 0.11 282.2)
-
Step 800
800 (this color)
#434279
oklch(40.8% 0.091 282.4)
-
Step 900
900
#3C3C66
oklch(37.7% 0.071 282.4)
-
Step 950
950
#23233C
oklch(26.9% 0.046 282.9)
#434279 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) | #2D4A7B | 0.035 |
| Deuteranopia (no green cones) | #2B4678 | 0.034 |
| Tritanopia (no blue cones) | #324D57 | 0.079 |
| Achromatopsia (no color) | #484848 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434279
#434279
oklch(40.8% 0.091 282.4)
- #534B00
#534B00
oklch(40.8% 0.086 102.5)
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 #434279, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.035
- Blueberry #464196 ΔE 0.049
- Twilight #4E518B ΔE 0.052
- Cobalt #1E488F ΔE 0.055
- Dusk #4E5481 ΔE 0.056
- Light Navy #155084 ΔE 0.058
- Dusk Blue #26538D ΔE 0.059
- Twilight Blue #0A437A ΔE 0.060
Use #434279 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.