#63326D
Closest named color: Dark Slate Blue (#483D8B). oklch(40.6% 0.11 320.6), rgb(99, 50, 109).
Aa
White text reads best on this color (9.51:1).
About this color
#63326D is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.110 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.072 away. White text reads best on it, at 9.51:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.20:1 |
| White text | 9.51:1 |
Values
| HEX | #63326D |
| RGB | rgb(99, 50, 109) |
| HSL | hsl(290, 37%, 31%) |
| OKLCH | oklch(40.6% 0.11 320.6) |
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 #63326D | 9.51:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #63326D | 2.20:1 | Fails | Lc 12.3 | Not readable |
| #63326D text on white | 9.51:1 | AAA | Lc 91.7 | Preferred for body text |
| #63326D text on black | 2.20:1 | Fails | Lc -10.7 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#F0E6F2
oklch(93.6% 0.019 320.6)
-
Step 200
200
#E4D2E8
oklch(88.5% 0.035 320.1)
-
Step 300
300
#D4B4DA
oklch(81% 0.063 321)
-
Step 400
400
#BE8BC8
oklch(70.7% 0.103 320.8)
-
Step 500
500
#AD6DBA
oklch(63.1% 0.132 320.7)
-
Step 600
600
#9853A6
oklch(55.6% 0.144 320.7)
-
Step 700
700
#81438E
oklch(49% 0.133 320.5)
-
Step 800
800 (this color)
#63326D
oklch(40.6% 0.11 320.6)
-
Step 900
900
#56315D
oklch(37.8% 0.085 321.1)
-
Step 950
950
#321D37
oklch(27% 0.055 319.7)
#63326D 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) | #28426F | 0.102 |
| Deuteranopia (no green cones) | #37476B | 0.091 |
| Tritanopia (no blue cones) | #643A4A | 0.069 |
| Achromatopsia (no color) | #464646 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63326D
#63326D
oklch(40.6% 0.11 320.6)
- #225718
#225718
oklch(40.6% 0.11 140.7)
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 #63326D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.072
- Rebecca Purple #663399 ΔE 0.073
- Grape Purple #5D1451 ΔE 0.073
- Rich Purple #720058 ΔE 0.077
- Velvet #750851 ΔE 0.078
- Purple #800080 ΔE 0.087
- Purple Brown #673A3F ΔE 0.087
- Brownish Purple #76424E ΔE 0.087
Use #63326D 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.