#434563
Closest named color: Dark Grey Blue (#29465B). oklch(40.2% 0.05 280.9), rgb(67, 69, 99).
Aa
White text reads best on this color (9.25:1).
About this color
#434563 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.050 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.040 away. White text reads best on it, at 9.25:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.27:1 |
| White text | 9.25:1 |
Values
| HEX | #434563 |
| RGB | rgb(67, 69, 99) |
| HSL | hsl(236, 19%, 33%) |
| OKLCH | oklch(40.2% 0.05 280.9) |
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 #434563 | 9.25:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #434563 | 2.27:1 | Fails | Lc 12.6 | Not readable |
| #434563 text on white | 9.25:1 | AAA | Lc 91.3 | Preferred for body text |
| #434563 text on black | 2.27:1 | Fails | Lc -11.0 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D6D8E7
oklch(88.5% 0.021 279.9)
-
Step 300
300
#BCBED9
oklch(80.9% 0.038 282.2)
-
Step 400
400
#999DC6
oklch(70.7% 0.06 280.4)
-
Step 500
500
#8184B8
oklch(63.1% 0.078 281.4)
-
Step 600
600
#6A6DA4
oklch(55.5% 0.085 280.8)
-
Step 700
700
#595B8C
oklch(49.1% 0.078 281.3)
-
Step 800
800
#494B72
oklch(42.8% 0.064 281.1)
-
Step 900
900 (this color)
#434563
oklch(40.2% 0.05 280.9)
-
Step 950
950
#232536
oklch(27% 0.032 278.9)
#434563 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) | #3C4864 | 0.013 |
| Deuteranopia (no green cones) | #3B4662 | 0.013 |
| Tritanopia (no blue cones) | #3B4A50 | 0.043 |
| Achromatopsia (no color) | #474747 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434563
#434563
oklch(40.2% 0.05 280.9)
- #4E4928
#4E4928
oklch(40.2% 0.05 100.8)
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 #434563, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.040
- Charcoal #264653 ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.060
- Dusk #4E5481 ΔE 0.064
- YInMn Blue #415A77 ΔE 0.064
- Dusty Grape #545775 ΔE 0.065
- Onyx #343A40 ΔE 0.069
Use #434563 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.