#613D59
Closest named color: Purple Brown (#673A3F). oklch(41.2% 0.065 335.1), rgb(97, 61, 89).
Aa
White text reads best on this color (9.05:1).
About this color
#613D59 is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.065 and its hue 335°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.043 away. White text reads best on it, at 9.05:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.32:1 |
| White text | 9.05:1 |
Values
| HEX | #613D59 |
| RGB | rgb(97, 61, 89) |
| HSL | hsl(313, 23%, 31%) |
| OKLCH | oklch(41.2% 0.065 335.1) |
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 #613D59 | 9.05:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #613D59 | 2.32:1 | Fails | Lc 13.3 | Not readable |
| #613D59 text on white | 9.05:1 | AAA | Lc 90.7 | Preferred for body text |
| #613D59 text on black | 2.32:1 | Fails | Lc -11.6 | 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#EFE7ED
oklch(93.6% 0.012 334.1)
-
Step 200
200
#E3D4DF
oklch(88.5% 0.022 335)
-
Step 300
300
#D1B8CA
oklch(80.9% 0.037 335.9)
-
Step 400
400
#B993B0
oklch(70.8% 0.06 334.7)
-
Step 500
500
#A7789C
oklch(63.1% 0.077 335.1)
-
Step 600
600
#926087
oklch(55.6% 0.084 335)
-
Step 700
700
#7C4F72
oklch(49% 0.078 335.2)
-
Step 800
800 (this color)
#613D59
oklch(41.2% 0.065 335.1)
-
Step 900
900
#53374C
oklch(37.7% 0.051 336)
-
Step 950
950
#30202D
oklch(26.9% 0.033 333.2)
#613D59 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) | #3D455A | 0.064 |
| Deuteranopia (no green cones) | #464B58 | 0.060 |
| Tritanopia (no blue cones) | #643E47 | 0.032 |
| Achromatopsia (no color) | #494949 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613D59
#613D59
oklch(41.2% 0.065 335.1)
- #2B553B
#2B553B
oklch(41.1% 0.065 155.1)
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 #613D59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.043
- Brownish Purple #76424E ΔE 0.050
- Dusty Grape #545775 ΔE 0.077
- Charcoal Grey #3C4142 ΔE 0.081
- Dusk #4E5481 ΔE 0.083
- Dark Mauve #874C62 ΔE 0.087
- Dark Grey Blue #29465B ΔE 0.091
- Twilight #4E518B ΔE 0.091
Use #613D59 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.