#623C9F
Closest named color: Rebecca Purple (#663399). oklch(45.3% 0.154 297.6), rgb(98, 60, 159).
Aa
White text reads best on this color (7.87:1).
About this color
#623C9F is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.154 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.021 away. White text reads best on it, at 7.87:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.66:1 |
| White text | 7.87:1 |
Values
| HEX | #623C9F |
| RGB | rgb(98, 60, 159) |
| HSL | hsl(263, 45%, 43%) |
| OKLCH | oklch(45.3% 0.154 297.6) |
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 #623C9F | 7.87:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #623C9F | 2.66:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #623C9F text on white | 7.87:1 | AAA | Lc 86.9 | Fine for body text |
| #623C9F text on black | 2.66:1 | Fails | Lc -15.2 | Dividers and decoration only |
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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7FA
oklch(93.7% 0.026 295.5)
-
Step 200
200
#DCD3F7
oklch(88.5% 0.05 296.8)
-
Step 300
300
#C7B5F4
oklch(81% 0.089 297.5)
-
Step 400
400
#AB8BEE
oklch(70.6% 0.144 297.5)
-
Step 500
500
#986BE9
oklch(63.2% 0.184 297.3)
-
Step 600
600
#844ED7
oklch(55.6% 0.2 297.6)
-
Step 700
700
#703EBA
oklch(49.2% 0.185 297.7)
-
Step 800
800 (this color)
#623C9F
oklch(45.3% 0.154 297.6)
-
Step 900
900
#4A2F78
oklch(37.7% 0.12 297.4)
-
Step 950
950
#2B1C46
oklch(26.9% 0.076 297.5)
#623C9F 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) | #0052A2 | 0.110 |
| Deuteranopia (no green cones) | #0F509D | 0.105 |
| Tritanopia (no blue cones) | #545268 | 0.119 |
| Achromatopsia (no color) | #515151 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623C9F
#623C9F
oklch(45.3% 0.154 297.6)
- #525D00
#525D00
oklch(45.3% 0.105 117.4)
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 #623C9F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.021
- Blueberry #464196 ΔE 0.051
- Dark Slate Blue #483D8B ΔE 0.056
- Bluey Purple #6241C7 ΔE 0.064
- Blue With A Hint Of Purple #533CC6 ΔE 0.069
- Twilight #4E518B ΔE 0.071
- Blurple #5539CC ΔE 0.077
- Grape #7209B7 ΔE 0.077
Use #623C9F 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.