#613183
Closest named color: Rebecca Purple (#663399). oklch(41.6% 0.136 308.6), rgb(97, 49, 131).
Aa
White text reads best on this color (9.22:1).
About this color
#613183 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.136 and its hue 309°. 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 9.22:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.27:1 |
| White text | 9.22:1 |
Values
| HEX | #613183 |
| RGB | rgb(97, 49, 131) |
| HSL | hsl(275, 46%, 35%) |
| OKLCH | oklch(41.6% 0.136 308.6) |
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 #613183 | 9.22:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #613183 | 2.27:1 | Fails | Lc 13.1 | Not readable |
| #613183 text on white | 9.22:1 | AAA | Lc 90.8 | Preferred for body text |
| #613183 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F6
oklch(93.6% 0.023 308.2)
-
Step 200
200
#E1D2F0
oklch(88.5% 0.044 307.9)
-
Step 300
300
#CFB3E8
oklch(80.8% 0.079 308.6)
-
Step 400
400
#B78ADD
oklch(70.7% 0.127 308.4)
-
Step 500
500
#A66AD3
oklch(63.2% 0.162 308.9)
-
Step 600
600
#914EC0
oklch(55.5% 0.177 308.9)
-
Step 700
700
#7B3EA6
oklch(49% 0.165 308.5)
-
Step 800
800 (this color)
#613183
oklch(41.6% 0.136 308.6)
-
Step 900
900
#522F6C
oklch(37.8% 0.106 308.7)
-
Step 950
950
#301C3F
oklch(27% 0.067 309)
#613183 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) | #0D4586 | 0.117 |
| Deuteranopia (no green cones) | #254881 | 0.104 |
| Tritanopia (no blue cones) | #5C4155 | 0.096 |
| Achromatopsia (no color) | #474747 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613183
#613183
oklch(41.6% 0.136 308.6)
- #395600
#395600
oklch(41.4% 0.109 128.6)
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 #613183, 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 0.052
- Blueberry #464196 ΔE 0.064
- Purple #800080 ΔE 0.080
- Twilight #4E518B ΔE 0.083
- Indigo #4B0082 ΔE 0.090
- Chrysanthemum #560BAD ΔE 0.091
- Dusk #4E5481 ΔE 0.094
Use #613183 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.