#613790
Closest named color: Rebecca Purple (#663399). oklch(43.4% 0.143 302.6), rgb(97, 55, 144).
Aa
White text reads best on this color (8.54:1).
About this color
#613790 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.143 and its hue 303°. 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 8.54:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.45:1 |
| White text | 8.54:1 |
Values
| HEX | #613790 |
| RGB | rgb(97, 55, 144) |
| HSL | hsl(268, 45%, 39%) |
| OKLCH | oklch(43.4% 0.143 302.6) |
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 #613790 | 8.54:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #613790 | 2.45:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #613790 text on white | 8.54:1 | AAA | Lc 89.0 | Fine for body text |
| #613790 text on black | 2.45:1 | Fails | Lc -13.2 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F8
oklch(93.6% 0.025 303.5)
-
Step 200
200
#DFD2F3
oklch(88.4% 0.047 303.3)
-
Step 300
300
#CBB4EE
oklch(80.9% 0.084 302.7)
-
Step 400
400
#B18BE5
oklch(70.7% 0.133 302.6)
-
Step 500
500
#9E6BDD
oklch(63.1% 0.17 302.5)
-
Step 600
600
#8A4FCB
oklch(55.6% 0.186 302.7)
-
Step 700
700
#753FAF
oklch(49% 0.172 302.7)
-
Step 800
800 (this color)
#613790
oklch(43.4% 0.143 302.6)
-
Step 900
900
#4E2F71
oklch(37.7% 0.111 303.1)
-
Step 950
950
#2D1C42
oklch(26.9% 0.07 302.6)
#613790 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) | #044C93 | 0.113 |
| Deuteranopia (no green cones) | #1E4C8E | 0.103 |
| Tritanopia (no blue cones) | #58495E | 0.105 |
| Achromatopsia (no color) | #4C4C4C | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613790
#613790
oklch(43.4% 0.143 302.6)
- #475900
#475900
oklch(43.3% 0.105 122.2)
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 #613790, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.019
- Dark Slate Blue #483D8B ΔE 0.047
- Blueberry #464196 ΔE 0.051
- Twilight #4E518B ΔE 0.072
- Chrysanthemum #560BAD ΔE 0.083
- Dusk #4E5481 ΔE 0.087
- Grape #7209B7 ΔE 0.087
- Bluey Purple #6241C7 ΔE 0.090
Use #613790 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.