#634558
Closest named color: Brownish Purple (#76424E). oklch(43% 0.05 341.1), rgb(99, 69, 88).
Aa
White text reads best on this color (8.32:1).
About this color
#634558 is a dark, muted purple. In OKLCH its lightness is 43%, its chroma 0.050 and its hue 341°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.038 away. White text reads best on it, at 8.32:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | muted (0.050) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.52:1 |
| White text | 8.32:1 |
Values
| HEX | #634558 |
| RGB | rgb(99, 69, 88) |
| HSL | hsl(322, 18%, 33%) |
| OKLCH | oklch(43% 0.05 341.1) |
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 #634558 | 8.32:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #634558 | 2.52:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #634558 text on white | 8.32:1 | AAA | Lc 88.7 | Fine for body text |
| #634558 text on black | 2.52:1 | Fails | Lc -13.5 | 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
#F7F4F6
oklch(97% 0.004 337.4)
-
Step 100
100
#EEE8EB
oklch(93.7% 0.008 345.4)
-
Step 200
200
#E1D5DC
oklch(88.5% 0.016 341.4)
-
Step 300
300
#CFBAC6
oklch(81% 0.029 342.4)
-
Step 400
400
#B696A9
oklch(70.8% 0.046 342)
-
Step 500
500
#A37B94
oklch(63% 0.06 341.1)
-
Step 600
600
#8E647F
oklch(55.6% 0.066 340.6)
-
Step 700
700
#79536B
oklch(49.1% 0.061 341.3)
-
Step 800
800 (this color)
#634558
oklch(43% 0.05 341.1)
-
Step 900
900
#503948
oklch(37.6% 0.04 340)
-
Step 950
950
#2F222A
oklch(27.1% 0.024 341.4)
#634558 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) | #464B59 | 0.051 |
| Deuteranopia (no green cones) | #4D5057 | 0.048 |
| Tritanopia (no blue cones) | #67454C | 0.021 |
| Achromatopsia (no color) | #4E4E4E | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #634558
#634558
oklch(43% 0.05 341.1)
- #365947
#365947
oklch(43.1% 0.051 160.9)
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 #634558, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.038
- Purple Brown #673A3F ΔE 0.042
- Dusty Grape #545775 ΔE 0.062
- Dark Mauve #874C62 ΔE 0.074
- Dusk #4E5481 ΔE 0.075
- YInMn Blue #415A77 ΔE 0.080
- Charcoal Grey #3C4142 ΔE 0.081
- Twilight #4E518B ΔE 0.087
Use #634558 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.