#434274
Closest named color: Dark Slate Blue (#483D8B). oklch(40.4% 0.083 283), rgb(67, 66, 116).
Aa
White text reads best on this color (9.25:1).
About this color
#434274 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.083 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.044 away. White text reads best on it, at 9.25:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.27:1 |
| White text | 9.25:1 |
Values
| HEX | #434274 |
| RGB | rgb(67, 66, 116) |
| HSL | hsl(241, 27%, 36%) |
| OKLCH | oklch(40.4% 0.083 283) |
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 #434274 | 9.25:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #434274 | 2.27:1 | Fails | Lc 12.7 | Not readable |
| #434274 text on white | 9.25:1 | AAA | Lc 91.3 | Preferred for body text |
| #434274 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D6D7EB
oklch(88.4% 0.027 283.5)
-
Step 300
300
#BBBDE0
oklch(80.8% 0.049 282.7)
-
Step 400
400
#999BD0
oklch(70.7% 0.077 282.6)
-
Step 500
500
#8181C4
oklch(63.1% 0.1 283.2)
-
Step 600
600
#6B6AB0
oklch(55.6% 0.107 283)
-
Step 700
700
#595897
oklch(49.1% 0.099 282.8)
-
Step 800
800 (this color)
#434274
oklch(40.4% 0.083 283)
-
Step 900
900
#3D3D63
oklch(37.8% 0.064 282.9)
-
Step 950
950
#24243A
oklch(27.1% 0.041 283.4)
#434274 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) | #304976 | 0.031 |
| Deuteranopia (no green cones) | #2E4673 | 0.031 |
| Tritanopia (no blue cones) | #354C55 | 0.072 |
| Achromatopsia (no color) | #474747 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434274
#434274
oklch(40.4% 0.083 283)
- #514A04
#514A04
oklch(40.4% 0.083 103.1)
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 #434274, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.044
- Twilight #4E518B ΔE 0.057
- Dusk #4E5481 ΔE 0.057
- Blueberry #464196 ΔE 0.057
- Light Navy #155084 ΔE 0.060
- Twilight Blue #0A437A ΔE 0.060
- Cobalt #1E488F ΔE 0.060
- Dark Grey Blue #29465B ΔE 0.061
Use #434274 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.