#613A7E
Closest named color: Rebecca Purple (#663399). oklch(42.6% 0.115 308.8), rgb(97, 58, 126).
Aa
White text reads best on this color (8.69:1).
About this color
#613A7E is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.115 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 0.049 away. White text reads best on it, at 8.69:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.41:1 |
| White text | 8.69:1 |
Values
| HEX | #613A7E |
| RGB | rgb(97, 58, 126) |
| HSL | hsl(274, 37%, 36%) |
| OKLCH | oklch(42.6% 0.115 308.8) |
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 #613A7E | 8.69:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #613A7E | 2.41:1 | Fails | Lc 14.4 | Not readable |
| #613A7E text on white | 8.69:1 | AAA | Lc 89.6 | Fine for body text |
| #613A7E text on black | 2.41:1 | Fails | Lc -12.7 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE7F4
oklch(93.7% 0.019 309.8)
-
Step 200
200
#E0D3EC
oklch(88.5% 0.037 308.8)
-
Step 300
300
#CDB5E2
oklch(80.8% 0.067 309)
-
Step 400
400
#B48ED4
oklch(70.8% 0.108 308.7)
-
Step 500
500
#A170C8
oklch(63% 0.137 308.6)
-
Step 600
600
#8D56B5
oklch(55.6% 0.151 309)
-
Step 700
700
#77469C
oklch(49.1% 0.14 308.4)
-
Step 800
800 (this color)
#613A7E
oklch(42.6% 0.115 308.8)
-
Step 900
900
#4F3365
oklch(37.7% 0.088 308.6)
-
Step 950
950
#2E1E3B
oklch(26.9% 0.056 308.5)
#613A7E 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) | #274A80 | 0.093 |
| Deuteranopia (no green cones) | #334C7C | 0.084 |
| Tritanopia (no blue cones) | #5D4656 | 0.083 |
| Achromatopsia (no color) | #4B4B4B | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613A7E
#613A7E
oklch(42.6% 0.115 308.8)
- #3B5A00
#3B5A00
oklch(42.7% 0.113 129)
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 #613A7E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.050
- Blueberry #464196 ΔE 0.062
- Twilight #4E518B ΔE 0.065
- Dusk #4E5481 ΔE 0.073
- Light Eggplant #894585 ΔE 0.085
- Dusty Grape #545775 ΔE 0.086
- Purple #800080 ΔE 0.093
Use #613A7E 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.