#623B93
Closest named color: Rebecca Purple (#663399). oklch(44.3% 0.14 301.3), rgb(98, 59, 147).
Aa
White text reads best on this color (8.18:1).
About this color
#623B93 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.140 and its hue 301°. 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 8.18:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.140) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.56:1 |
| White text | 8.18:1 |
Values
| HEX | #623B93 |
| RGB | rgb(98, 59, 147) |
| HSL | hsl(267, 43%, 40%) |
| OKLCH | oklch(44.3% 0.14 301.3) |
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 #623B93 | 8.18:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #623B93 | 2.56:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #623B93 text on white | 8.18:1 | AAA | Lc 87.9 | Fine for body text |
| #623B93 text on black | 2.56:1 | Fails | Lc -14.2 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#ECE6F8
oklch(93.5% 0.025 301.1)
-
Step 200
200
#DED3F3
oklch(88.6% 0.045 301.1)
-
Step 300
300
#CAB5EE
oklch(81% 0.082 301.4)
-
Step 400
400
#AF8CE5
oklch(70.7% 0.131 301.2)
-
Step 500
500
#9C6CDD
oklch(63% 0.168 301.4)
-
Step 600
600
#8851CB
oklch(55.7% 0.183 301.5)
-
Step 700
700
#7341AF
oklch(49.1% 0.169 301.3)
-
Step 800
800 (this color)
#623B93
oklch(44.3% 0.14 301.3)
-
Step 900
900
#4C3071
oklch(37.6% 0.109 301.2)
-
Step 950
950
#2D1D42
oklch(27.1% 0.068 302)
#623B93 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) | #0F4F96 | 0.108 |
| Deuteranopia (no green cones) | #224F91 | 0.098 |
| Tritanopia (no blue cones) | #584D61 | 0.106 |
| Achromatopsia (no color) | #4F4F4F | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623B93
#623B93
oklch(44.3% 0.14 301.3)
- #4B5C00
#4B5C00
oklch(44.4% 0.107 121.3)
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 #623B93, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.021
- Dark Slate Blue #483D8B ΔE 0.048
- Blueberry #464196 ΔE 0.049
- Twilight #4E518B ΔE 0.066
- Dusk #4E5481 ΔE 0.081
- Bluey Purple #6241C7 ΔE 0.084
- Light Eggplant #894585 ΔE 0.087
- Blue With A Hint Of Purple #533CC6 ΔE 0.087
Use #623B93 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.