#623181
Closest named color: Rebecca Purple (#663399). oklch(41.5% 0.134 310.1), rgb(98, 49, 129).
Aa
White text reads best on this color (9.22:1).
About this color
#623181 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.134 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 9.22:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.27:1 |
| White text | 9.22:1 |
Values
| HEX | #623181 |
| RGB | rgb(98, 49, 129) |
| HSL | hsl(277, 45%, 35%) |
| OKLCH | oklch(41.5% 0.134 310.1) |
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 #623181 | 9.22:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #623181 | 2.27:1 | Fails | Lc 13.1 | Not readable |
| #623181 text on white | 9.22:1 | AAA | Lc 90.8 | Preferred for body text |
| #623181 text on black | 2.27:1 | Fails | Lc -11.5 | 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
#F8F4FB
oklch(97.2% 0.01 311.2)
-
Step 100
100
#EEE6F6
oklch(93.6% 0.023 308.2)
-
Step 200
200
#E2D2EF
oklch(88.6% 0.043 310.1)
-
Step 300
300
#D0B3E7
oklch(80.9% 0.078 309.9)
-
Step 400
400
#B989DB
oklch(70.7% 0.127 310.3)
-
Step 500
500
#A76AD1
oklch(63.2% 0.16 309.9)
-
Step 600
600
#924EBE
oklch(55.5% 0.175 309.9)
-
Step 700
700
#7D3FA4
oklch(49.2% 0.162 310.1)
-
Step 800
800 (this color)
#623181
oklch(41.5% 0.134 310.1)
-
Step 900
900
#522F6A
oklch(37.7% 0.103 309.7)
-
Step 950
950
#301C3E
oklch(27% 0.066 309.8)
#623181 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) | #124584 | 0.117 |
| Deuteranopia (no green cones) | #28487F | 0.103 |
| Tritanopia (no blue cones) | #5E4054 | 0.093 |
| Achromatopsia (no color) | #474747 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623181
#623181
oklch(41.5% 0.134 310.1)
- #375700
#375700
oklch(41.6% 0.112 129.9)
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 #623181, 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 0.055
- Blueberry #464196 ΔE 0.067
- Purple #800080 ΔE 0.079
- Twilight #4E518B ΔE 0.084
- Indigo #4B0082 ΔE 0.092
- Dark Magenta #8B008B ΔE 0.094
- Grape Purple #5D1451 ΔE 0.094
Use #623181 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.