#613675
Closest named color: Dark Slate Blue (#483D8B). oklch(41.4% 0.111 314), rgb(97, 54, 117).
Aa
White text reads best on this color (9.15:1).
About this color
#613675 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.111 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.059 away. White text reads best on it, at 9.15:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.29:1 |
| White text | 9.15:1 |
Values
| HEX | #613675 |
| RGB | rgb(97, 54, 117) |
| HSL | hsl(281, 37%, 34%) |
| OKLCH | oklch(41.4% 0.111 314) |
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 #613675 | 9.15:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #613675 | 2.29:1 | Fails | Lc 13.2 | Not readable |
| #613675 text on white | 9.15:1 | AAA | Lc 90.8 | Preferred for body text |
| #613675 text on black | 2.29:1 | Fails | Lc -11.5 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EEE6F3
oklch(93.5% 0.019 312.8)
-
Step 200
200
#E2D3EA
oklch(88.6% 0.035 314.1)
-
Step 300
300
#D0B5DE
oklch(80.9% 0.064 314.1)
-
Step 400
400
#B88DCE
oklch(70.7% 0.104 313.9)
-
Step 500
500
#A66FC1
oklch(63% 0.133 313.9)
-
Step 600
600
#9156AD
oklch(55.6% 0.143 313.9)
-
Step 700
700
#7C4595
oklch(49.1% 0.135 314.2)
-
Step 800
800 (this color)
#613675
oklch(41.4% 0.111 314)
-
Step 900
900
#523261
oklch(37.7% 0.086 314.2)
-
Step 950
950
#301E39
oklch(27.1% 0.054 313.8)
#613675 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) | #274577 | 0.096 |
| Deuteranopia (no green cones) | #354973 | 0.085 |
| Tritanopia (no blue cones) | #5F4050 | 0.075 |
| Achromatopsia (no color) | #484848 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613675
#613675
oklch(41.4% 0.111 314)
- #30580C
#30580C
oklch(41.5% 0.111 134.2)
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 #613675, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.059
- Rebecca Purple #663399 ΔE 0.061
- Blueberry #464196 ΔE 0.074
- Twilight #4E518B ΔE 0.077
- Dusk #4E5481 ΔE 0.082
- Grape Purple #5D1451 ΔE 0.087
- Purple #800080 ΔE 0.090
- Rich Purple #720058 ΔE 0.091
Use #613675 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.