#623583
Closest named color: Rebecca Purple (#663399). oklch(42.3% 0.13 308.5), rgb(98, 53, 131).
Aa
White text reads best on this color (8.91:1).
About this color
#623583 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.130 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.037 away. White text reads best on it, at 8.91:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.35:1 |
| White text | 8.91:1 |
Values
| HEX | #623583 |
| RGB | rgb(98, 53, 131) |
| HSL | hsl(275, 42%, 36%) |
| OKLCH | oklch(42.3% 0.13 308.5) |
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 #623583 | 8.91:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #623583 | 2.35:1 | Fails | Lc 13.9 | Not readable |
| #623583 text on white | 8.91:1 | AAA | Lc 90.0 | Preferred for body text |
| #623583 text on black | 2.35:1 | Fails | Lc -12.2 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F5
oklch(93.6% 0.022 309.6)
-
Step 200
200
#E1D2EF
oklch(88.5% 0.042 308.6)
-
Step 300
300
#CFB4E7
oklch(81% 0.076 308.7)
-
Step 400
400
#B68BDA
oklch(70.7% 0.121 308.5)
-
Step 500
500
#A46CD0
oklch(63.1% 0.155 308.4)
-
Step 600
600
#8F51BD
oklch(55.5% 0.169 308.4)
-
Step 700
700
#7A41A3
oklch(49.1% 0.157 308.5)
-
Step 800
800 (this color)
#623583
oklch(42.3% 0.13 308.5)
-
Step 900
900
#51306A
oklch(37.7% 0.101 308.6)
-
Step 950
950
#2F1D3E
oklch(27% 0.063 307.9)
#623583 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) | #194886 | 0.109 |
| Deuteranopia (no green cones) | #2B4A81 | 0.097 |
| Tritanopia (no blue cones) | #5D4456 | 0.094 |
| Achromatopsia (no color) | #4A4A4A | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623583
#623583
oklch(42.3% 0.13 308.5)
- #3B5900
#3B5900
oklch(42.4% 0.112 128.7)
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 #623583, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.051
- Blueberry #464196 ΔE 0.062
- Twilight #4E518B ΔE 0.075
- Purple #800080 ΔE 0.084
- Dusk #4E5481 ΔE 0.086
- Light Eggplant #894585 ΔE 0.089
- Chrysanthemum #560BAD ΔE 0.097
Use #623583 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.