#613F86
Closest named color: Rebecca Purple (#663399). oklch(44% 0.117 304.1), rgb(97, 63, 134).
Aa
White text reads best on this color (8.19:1).
About this color
#613F86 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.117 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.043 away. White text reads best on it, at 8.19:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.56:1 |
| White text | 8.19:1 |
Values
| HEX | #613F86 |
| RGB | rgb(97, 63, 134) |
| HSL | hsl(269, 36%, 39%) |
| OKLCH | oklch(44% 0.117 304.1) |
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 #613F86 | 8.19:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #613F86 | 2.56:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #613F86 text on white | 8.19:1 | AAA | Lc 88.1 | Fine for body text |
| #613F86 text on black | 2.56:1 | Fails | Lc -14.1 | 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
#ECE7F5
oklch(93.6% 0.019 302.2)
-
Step 200
200
#DED3EE
oklch(88.4% 0.038 304)
-
Step 300
300
#CAB6E5
oklch(80.9% 0.069 304.3)
-
Step 400
400
#AF8FD8
oklch(70.6% 0.109 303.9)
-
Step 500
500
#9C72CD
oklch(63.1% 0.139 304)
-
Step 600
600
#8758BA
oklch(55.5% 0.152 304)
-
Step 700
700
#7348A0
oklch(49.2% 0.14 304.3)
-
Step 800
800 (this color)
#613F86
oklch(44% 0.117 304.1)
-
Step 900
900
#4C3368
oklch(37.6% 0.091 304.1)
-
Step 950
950
#2D1F3D
oklch(27.1% 0.057 304.4)
#613F86 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) | #284E88 | 0.088 |
| Deuteranopia (no green cones) | #324F84 | 0.080 |
| Tritanopia (no blue cones) | #5B4C5C | 0.087 |
| Achromatopsia (no color) | #4F4F4F | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613F86
#613F86
oklch(44% 0.117 304.1)
- #465C00
#465C00
oklch(44% 0.11 124.2)
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 #613F86, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.043
- Dark Slate Blue #483D8B ΔE 0.047
- Blueberry #464196 ΔE 0.053
- Twilight #4E518B ΔE 0.054
- Dusk #4E5481 ΔE 0.064
- Dusty Grape #545775 ΔE 0.080
- Light Eggplant #894585 ΔE 0.080
- Denim Blue #3B5B92 ΔE 0.088
Use #613F86 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.