#623F6F
Closest named color: Dusk (#4E5481). oklch(42.8% 0.087 316.5), rgb(98, 63, 111).
Aa
White text reads best on this color (8.53:1).
About this color
#623F6F is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.087 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.064 away. White text reads best on it, at 8.53:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.45:1 |
| White text | 8.53:1 |
Values
| HEX | #623F6F |
| RGB | rgb(98, 63, 111) |
| HSL | hsl(284, 28%, 34%) |
| OKLCH | oklch(42.8% 0.087 316.5) |
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 #623F6F | 8.53:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #623F6F | 2.45:1 | Fails | Lc 14.8 | Not readable |
| #623F6F text on white | 8.53:1 | AAA | Lc 89.2 | Fine for body text |
| #623F6F text on black | 2.45:1 | Fails | Lc -13.0 | 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 800.
-
Step 50
50
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE7F1
oklch(93.6% 0.015 316)
-
Step 200
200
#E1D4E6
oklch(88.6% 0.028 316.7)
-
Step 300
300
#CEB7D7
oklch(80.9% 0.051 316.5)
-
Step 400
400
#B591C3
oklch(70.7% 0.082 316.4)
-
Step 500
500
#A375B4
oklch(63.1% 0.105 316.6)
-
Step 600
600
#8D5D9F
oklch(55.6% 0.112 316.4)
-
Step 700
700
#784C88
oklch(49% 0.105 316.6)
-
Step 800
800 (this color)
#623F6F
oklch(42.8% 0.087 316.5)
-
Step 900
900
#50365A
oklch(37.8% 0.068 316.3)
-
Step 950
950
#2F2035
oklch(27.1% 0.043 316)
#623F6F 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) | #374A71 | 0.073 |
| Deuteranopia (no green cones) | #404D6E | 0.066 |
| Tritanopia (no blue cones) | #624551 | 0.058 |
| Achromatopsia (no color) | #4C4C4C | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623F6F
#623F6F
oklch(42.8% 0.087 316.5)
- #385A27
#385A27
oklch(42.8% 0.087 136.3)
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 #623F6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.064
- Twilight #4E518B ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.068
- Dusty Grape #545775 ΔE 0.068
- Brownish Purple #76424E ΔE 0.070
- Purple Brown #673A3F ΔE 0.078
- Rebecca Purple #663399 ΔE 0.079
- Blueberry #464196 ΔE 0.081
Use #623F6F 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.