#613F59
Closest named color: Purple Brown (#673A3F). oklch(41.6% 0.061 335.5), rgb(97, 63, 89).
Aa
White text reads best on this color (8.88:1).
About this color
#613F59 is a dark, muted purple. In OKLCH its lightness is 42%, its chroma 0.061 and its hue 336°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.042 away. White text reads best on it, at 8.88:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.36:1 |
| White text | 8.88:1 |
Values
| HEX | #613F59 |
| RGB | rgb(97, 63, 89) |
| HSL | hsl(314, 21%, 31%) |
| OKLCH | oklch(41.6% 0.061 335.5) |
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 #613F59 | 8.88:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #613F59 | 2.36:1 | Fails | Lc 13.7 | Not readable |
| #613F59 text on white | 8.88:1 | AAA | Lc 90.2 | Preferred for body text |
| #613F59 text on black | 2.36:1 | Fails | Lc -12.0 | 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
#EFE7EC
oklch(93.6% 0.011 339.3)
-
Step 200
200
#E2D4DE
oklch(88.4% 0.02 335.7)
-
Step 300
300
#D0B8CA
oklch(80.8% 0.037 334.6)
-
Step 400
400
#B893AF
oklch(70.6% 0.059 334.9)
-
Step 500
500
#A6799B
oklch(63.2% 0.073 335.5)
-
Step 600
600
#916185
oklch(55.6% 0.08 336.1)
-
Step 700
700
#7B5071
oklch(49% 0.074 335.5)
-
Step 800
800 (this color)
#613F59
oklch(41.6% 0.061 335.5)
-
Step 900
900
#52384B
oklch(37.7% 0.047 336.7)
-
Step 950
950
#30212C
oklch(27% 0.03 336.3)
#613F59 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) | #3F475A | 0.061 |
| Deuteranopia (no green cones) | #484C58 | 0.056 |
| Tritanopia (no blue cones) | #644048 | 0.030 |
| Achromatopsia (no color) | #4A4A4A | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613F59
#613F59
oklch(41.6% 0.061 335.5)
- #2E563E
#2E563E
oklch(41.6% 0.061 156.2)
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 #613F59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.042
- Brownish Purple #76424E ΔE 0.047
- Dusty Grape #545775 ΔE 0.073
- Charcoal Grey #3C4142 ΔE 0.080
- Dusk #4E5481 ΔE 0.080
- Dark Mauve #874C62 ΔE 0.084
- Twilight #4E518B ΔE 0.089
- Dark Grey Blue #29465B ΔE 0.089
Use #613F59 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.