#613A6D
Closest named color: Dark Slate Blue (#483D8B). oklch(41.7% 0.094 317.9), rgb(97, 58, 109).
Aa
White text reads best on this color (8.99:1).
About this color
#613A6D is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.094 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.067 away. White text reads best on it, at 8.99:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.33:1 |
| White text | 8.99:1 |
Values
| HEX | #613A6D |
| RGB | rgb(97, 58, 109) |
| HSL | hsl(286, 31%, 33%) |
| OKLCH | oklch(41.7% 0.094 317.9) |
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 #613A6D | 8.99:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #613A6D | 2.33:1 | Fails | Lc 13.5 | Not readable |
| #613A6D text on white | 8.99:1 | AAA | Lc 90.5 | Preferred for body text |
| #613A6D text on black | 2.33:1 | Fails | Lc -11.8 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EEE7F1
oklch(93.6% 0.015 316)
-
Step 200
200
#E2D3E7
oklch(88.5% 0.031 317.7)
-
Step 300
300
#D0B6D8
oklch(80.9% 0.055 318.2)
-
Step 400
400
#B88FC4
oklch(70.7% 0.088 318.5)
-
Step 500
500
#A673B5
oklch(63.2% 0.112 318.4)
-
Step 600
600
#915AA1
oklch(55.6% 0.122 318.3)
-
Step 700
700
#7B4A8A
oklch(49.2% 0.113 317.9)
-
Step 800
800 (this color)
#613A6D
oklch(41.7% 0.094 317.9)
-
Step 900
900
#52345B
oklch(37.7% 0.074 318.2)
-
Step 950
950
#301F35
oklch(27% 0.046 318.4)
#613A6D 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) | #32476F | 0.082 |
| Deuteranopia (no green cones) | #3C4A6C | 0.073 |
| Tritanopia (no blue cones) | #61414E | 0.061 |
| Achromatopsia (no color) | #494949 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613A6D
#613A6D
oklch(41.7% 0.094 317.9)
- #315822
#315822
oklch(41.8% 0.094 137.9)
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 #613A6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.067
- Twilight #4E518B ΔE 0.075
- Dusk #4E5481 ΔE 0.075
- Brownish Purple #76424E ΔE 0.076
- Rebecca Purple #663399 ΔE 0.077
- Purple Brown #673A3F ΔE 0.079
- Dusty Grape #545775 ΔE 0.080
- Blueberry #464196 ΔE 0.082
Use #613A6D 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.