#613FAC
Closest named color: Rebecca Purple (#663399). oklch(46.7% 0.166 293.3), rgb(97, 63, 172).
Aa
White text reads best on this color (7.46:1).
About this color
#613FAC is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.166 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.039 away. White text reads best on it, at 7.46:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.166) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.81:1 |
| White text | 7.46:1 |
Values
| HEX | #613FAC |
| RGB | rgb(97, 63, 172) |
| HSL | hsl(259, 46%, 46%) |
| OKLCH | oklch(46.7% 0.166 293.3) |
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 #613FAC | 7.46:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #613FAC | 2.81:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #613FAC text on white | 7.46:1 | AAA | Lc 85.5 | Fine for body text |
| #613FAC text on black | 2.81:1 | Fails | Lc -16.6 | Dividers and decoration only |
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 700.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#DAD4F5
oklch(88.5% 0.045 293.8)
-
Step 300
300
#C2B7F0
oklch(80.8% 0.08 293.4)
-
Step 400
400
#A490E9
oklch(70.7% 0.129 293.1)
-
Step 500
500
#8F72E2
oklch(63.1% 0.164 293)
-
Step 600
600
#7B57D0
oklch(55.6% 0.179 293.4)
-
Step 700
700 (this color)
#613FAC
oklch(46.7% 0.166 293.3)
-
Step 800
800
#543B92
oklch(42.7% 0.137 292.9)
-
Step 900
900
#453374
oklch(37.6% 0.107 293.3)
-
Step 950
950
#281F44
oklch(27% 0.067 292.5)
#613FAC 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) | #0056AF | 0.104 |
| Deuteranopia (no green cones) | #0053AA | 0.104 |
| Tritanopia (no blue cones) | #4C586F | 0.133 |
| Achromatopsia (no color) | #555555 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613FAC
#613FAC
oklch(46.7% 0.166 293.3)
- #5A5F00
#5A5F00
oklch(46.5% 0.104 113.3)
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 #613FAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.039
- Bluey Purple #6241C7 ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.049
- Blurple #5539CC ΔE 0.057
- Blueberry #464196 ΔE 0.058
- Iris #6258C4 ΔE 0.067
- Dark Slate Blue #483D8B ΔE 0.069
- Purple Blue #5D21D0 ΔE 0.074
Use #613FAC 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.