#613EA4
Closest named color: Rebecca Purple (#663399). oklch(45.9% 0.157 295.3), rgb(97, 62, 164).
Aa
White text reads best on this color (7.68:1).
About this color
#613EA4 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.157 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.029 away. White text reads best on it, at 7.68:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.73:1 |
| White text | 7.68:1 |
Values
| HEX | #613EA4 |
| RGB | rgb(97, 62, 164) |
| HSL | hsl(261, 45%, 44%) |
| OKLCH | oklch(45.9% 0.157 295.3) |
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 #613EA4 | 7.68:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #613EA4 | 2.73:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #613EA4 text on white | 7.68:1 | AAA | Lc 86.3 | Fine for body text |
| #613EA4 text on black | 2.73:1 | Fails | Lc -15.8 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DBD4F3
oklch(88.5% 0.043 295.9)
-
Step 300
300
#C4B7ED
oklch(80.8% 0.076 295.7)
-
Step 400
400
#A790E4
oklch(70.7% 0.122 295.7)
-
Step 500
500
#9273DC
oklch(63.2% 0.155 295.2)
-
Step 600
600
#7D58CA
oklch(55.5% 0.17 295.3)
-
Step 700
700 (this color)
#613EA4
oklch(45.9% 0.157 295.3)
-
Step 800
800
#563C8D
oklch(42.8% 0.129 295.2)
-
Step 900
900
#473471
oklch(37.8% 0.102 295.5)
-
Step 950
950
#291F42
oklch(27% 0.064 294.9)
#613EA4 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) | #0054A7 | 0.106 |
| Deuteranopia (no green cones) | #0252A2 | 0.106 |
| Tritanopia (no blue cones) | #50556B | 0.124 |
| Achromatopsia (no color) | #535353 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613EA4
#613EA4
oklch(45.9% 0.157 295.3)
- #565E00
#565E00
oklch(45.9% 0.104 115.4)
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 #613EA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.029
- Blueberry #464196 ΔE 0.051
- Bluey Purple #6241C7 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.060
- Blue With A Hint Of Purple #533CC6 ΔE 0.061
- Blurple #5539CC ΔE 0.069
- Twilight #4E518B ΔE 0.072
- Iris #6258C4 ΔE 0.076
Use #613EA4 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.