#623381
Closest named color: Rebecca Purple (#663399). oklch(41.8% 0.131 309.7), rgb(98, 51, 129).
Aa
White text reads best on this color (9.09:1).
About this color
#623381 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.131 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.040 away. White text reads best on it, at 9.09:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.30:1 |
| White text | 9.09:1 |
Values
| HEX | #623381 |
| RGB | rgb(98, 51, 129) |
| HSL | hsl(276, 43%, 35%) |
| OKLCH | oklch(41.8% 0.131 309.7) |
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 #623381 | 9.09:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #623381 | 2.30:1 | Fails | Lc 13.5 | Not readable |
| #623381 text on white | 9.09:1 | AAA | Lc 90.5 | Preferred for body text |
| #623381 text on black | 2.30:1 | Fails | Lc -11.8 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F5
oklch(93.6% 0.022 309.6)
-
Step 200
200
#E2D2EF
oklch(88.6% 0.043 310.1)
-
Step 300
300
#D0B3E6
oklch(80.8% 0.077 310.3)
-
Step 400
400
#B88ADA
oklch(70.7% 0.123 309.9)
-
Step 500
500
#A66BD0
oklch(63.2% 0.157 309.6)
-
Step 600
600
#9150BC
oklch(55.6% 0.17 309.8)
-
Step 700
700
#7C40A2
oklch(49.1% 0.158 310.1)
-
Step 800
800 (this color)
#623381
oklch(41.8% 0.131 309.7)
-
Step 900
900
#522F6A
oklch(37.7% 0.103 309.7)
-
Step 950
950
#301C3E
oklch(27% 0.066 309.8)
#623381 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) | #174684 | 0.112 |
| Deuteranopia (no green cones) | #2A497F | 0.100 |
| Tritanopia (no blue cones) | #5E4155 | 0.090 |
| Achromatopsia (no color) | #484848 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623381
#623381
oklch(41.8% 0.131 309.7)
- #385800
#385800
oklch(41.9% 0.112 129.8)
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 #623381, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.040
- Dark Slate Blue #483D8B ΔE 0.053
- Blueberry #464196 ΔE 0.065
- Twilight #4E518B ΔE 0.080
- Purple #800080 ΔE 0.081
- Dusk #4E5481 ΔE 0.090
- Light Eggplant #894585 ΔE 0.092
- Indigo #4B0082 ΔE 0.095
Use #623381 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.