#613D6E
Closest named color: Dark Slate Blue (#483D8B). oklch(42.2% 0.089 316.7), rgb(97, 61, 110).
Aa
White text reads best on this color (8.74:1).
About this color
#613D6E is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.089 and its hue 317°. 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 8.74:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.40:1 |
| White text | 8.74:1 |
Values
| HEX | #613D6E |
| RGB | rgb(97, 61, 110) |
| HSL | hsl(284, 29%, 34%) |
| OKLCH | oklch(42.2% 0.089 316.7) |
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 #613D6E | 8.74:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #613D6E | 2.40:1 | Fails | Lc 14.2 | Not readable |
| #613D6E text on white | 8.74:1 | AAA | Lc 89.8 | Fine for body text |
| #613D6E text on black | 2.40:1 | Fails | Lc -12.5 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE7F1
oklch(93.6% 0.015 316)
-
Step 200
200
#E1D4E6
oklch(88.6% 0.028 316.7)
-
Step 300
300
#CEB7D8
oklch(80.9% 0.052 315.7)
-
Step 400
400
#B691C4
oklch(70.8% 0.083 316.6)
-
Step 500
500
#A374B4
oklch(63% 0.107 316.8)
-
Step 600
600
#8E5CA0
oklch(55.6% 0.116 316.7)
-
Step 700
700
#794B89
oklch(49% 0.109 317)
-
Step 800
800 (this color)
#613D6E
oklch(42.2% 0.089 316.7)
-
Step 900
900
#50355A
oklch(37.6% 0.07 316.6)
-
Step 950
950
#2F1F35
oklch(26.9% 0.045 316.5)
#613D6E 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) | #354970 | 0.076 |
| Deuteranopia (no green cones) | #3E4C6D | 0.069 |
| Tritanopia (no blue cones) | #614450 | 0.060 |
| Achromatopsia (no color) | #4B4B4B | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613D6E
#613D6E
oklch(42.2% 0.089 316.7)
- #355925
#355925
oklch(42.3% 0.09 137)
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 #613D6E, 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
- Dusk #4E5481 ΔE 0.068
- Twilight #4E518B ΔE 0.069
- Brownish Purple #76424E ΔE 0.073
- Dusty Grape #545775 ΔE 0.073
- Purple Brown #673A3F ΔE 0.078
- Rebecca Purple #663399 ΔE 0.078
- Blueberry #464196 ΔE 0.080
Use #613D6E 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.