#623C97
Closest named color: Rebecca Purple (#663399). oklch(44.8% 0.144 299.8), rgb(98, 60, 151).
Aa
White text reads best on this color (8.03:1).
About this color
#623C97 is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.144 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.020 away. White text reads best on it, at 8.03:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.61:1 |
| White text | 8.03:1 |
Values
| HEX | #623C97 |
| RGB | rgb(98, 60, 151) |
| HSL | hsl(265, 43%, 41%) |
| OKLCH | oklch(44.8% 0.144 299.8) |
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 #623C97 | 8.03:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #623C97 | 2.61:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #623C97 text on white | 8.03:1 | AAA | Lc 87.5 | Fine for body text |
| #623C97 text on black | 2.61:1 | Fails | Lc -14.7 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F8
oklch(93.7% 0.023 299.4)
-
Step 200
200
#DDD3F4
oklch(88.5% 0.046 299.3)
-
Step 300
300
#C8B5F0
oklch(80.9% 0.084 299.3)
-
Step 400
400
#AE8CE8
oklch(70.8% 0.135 300)
-
Step 500
500
#9A6CE1
oklch(63.1% 0.173 299.6)
-
Step 600
600
#8651CE
oklch(55.6% 0.186 299.9)
-
Step 700
700
#7240B2
oklch(49.1% 0.174 300.2)
-
Step 800
800 (this color)
#623C97
oklch(44.8% 0.144 299.8)
-
Step 900
900
#4B3073
oklch(37.6% 0.112 299.6)
-
Step 950
950
#2C1D44
oklch(27.1% 0.071 299.4)
#623C97 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) | #09509A | 0.108 |
| Deuteranopia (no green cones) | #1E5095 | 0.099 |
| Tritanopia (no blue cones) | #574F63 | 0.110 |
| Achromatopsia (no color) | #505050 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623C97
#623C97
oklch(44.8% 0.144 299.8)
- #4E5C00
#4E5C00
oklch(44.7% 0.105 119.4)
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 #623C97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.020
- Blueberry #464196 ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.050
- Twilight #4E518B ΔE 0.066
- Bluey Purple #6241C7 ΔE 0.077
- Blue With A Hint Of Purple #533CC6 ΔE 0.081
- Dusk #4E5481 ΔE 0.082
- Grape #7209B7 ΔE 0.085
Use #623C97 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.