#613A9F
Closest named color: Rebecca Purple (#663399). oklch(44.9% 0.157 297.5), rgb(97, 58, 159).
Aa
White text reads best on this color (8.03:1).
About this color
#613A9F is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.157 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.019 away. White text reads best on it, at 8.03:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.61:1 |
| White text | 8.03:1 |
Values
| HEX | #613A9F |
| RGB | rgb(97, 58, 159) |
| HSL | hsl(263, 47%, 43%) |
| OKLCH | oklch(44.9% 0.157 297.5) |
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 #613A9F | 8.03:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #613A9F | 2.61:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #613A9F text on white | 8.03:1 | AAA | Lc 87.4 | Fine for body text |
| #613A9F 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE6FA
oklch(93.5% 0.027 297.3)
-
Step 200
200
#DCD3F7
oklch(88.5% 0.05 296.8)
-
Step 300
300
#C7B4F5
oklch(80.8% 0.092 297.7)
-
Step 400
400
#AB8BF0
oklch(70.7% 0.146 297.1)
-
Step 500
500
#986AEA
oklch(63.1% 0.186 297.4)
-
Step 600
600
#844DD8
oklch(55.6% 0.203 297.6)
-
Step 700
700
#703DBC
oklch(49.2% 0.189 297.4)
-
Step 800
800 (this color)
#613A9F
oklch(44.9% 0.157 297.5)
-
Step 900
900
#4A2E79
oklch(37.6% 0.123 297.4)
-
Step 950
950
#2B1C47
oklch(27% 0.078 297)
#613A9F 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) | #0051A2 | 0.110 |
| Deuteranopia (no green cones) | #044F9D | 0.109 |
| Tritanopia (no blue cones) | #525067 | 0.120 |
| Achromatopsia (no color) | #505050 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613A9F
#613A9F
oklch(44.9% 0.157 297.5)
- #515C00
#515C00
oklch(44.9% 0.104 117.5)
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 #613A9F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.019
- Blueberry #464196 ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.055
- Bluey Purple #6241C7 ΔE 0.065
- Blue With A Hint Of Purple #533CC6 ΔE 0.068
- Twilight #4E518B ΔE 0.074
- Grape #7209B7 ΔE 0.075
- Chrysanthemum #560BAD ΔE 0.075
Use #613A9F 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.