#613757
Closest named color: Purple Brown (#673A3F). oklch(40% 0.076 336.3), rgb(97, 55, 87).
Aa
White text reads best on this color (9.57:1).
About this color
#613757 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.076 and its hue 336°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.046 away. White text reads best on it, at 9.57:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.19:1 |
| White text | 9.57:1 |
Values
| HEX | #613757 |
| RGB | rgb(97, 55, 87) |
| HSL | hsl(314, 28%, 30%) |
| OKLCH | oklch(40% 0.076 336.3) |
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 #613757 | 9.57:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #613757 | 2.19:1 | Fails | Lc 12.0 | Not readable |
| #613757 text on white | 9.57:1 | AAA | Lc 92.0 | Preferred for body text |
| #613757 text on black | 2.19:1 | Fails | Lc -10.4 | 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 900.
-
Step 50
50
#F9F4F7
oklch(97.2% 0.007 340.4)
-
Step 100
100
#F1E6EE
oklch(93.6% 0.016 335.1)
-
Step 200
200
#E7D2E1
oklch(88.5% 0.031 335.9)
-
Step 300
300
#D9B3CF
oklch(80.9% 0.057 335.6)
-
Step 400
400
#C58BB6
oklch(70.7% 0.091 336.3)
-
Step 500
500
#B56DA4
oklch(63.1% 0.116 336.1)
-
Step 600
600
#A0548F
oklch(55.7% 0.125 336.2)
-
Step 700
700
#894479
oklch(49.2% 0.116 336.7)
-
Step 800
800
#6F3863
oklch(42.7% 0.097 335.9)
-
Step 900
900 (this color)
#613757
oklch(40% 0.076 336.3)
-
Step 950
950
#351D2F
oklch(27% 0.047 336.6)
#613757 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) | #384158 | 0.075 |
| Deuteranopia (no green cones) | #424756 | 0.069 |
| Tritanopia (no blue cones) | #653943 | 0.037 |
| Achromatopsia (no color) | #454545 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613757
#613757
oklch(40% 0.076 336.3)
- #1E5436
#1E5436
oklch(40.1% 0.077 156)
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 #613757, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.046
- Brownish Purple #76424E ΔE 0.059
- Grape Purple #5D1451 ΔE 0.078
- Velvet #750851 ΔE 0.083
- Charcoal Grey #3C4142 ΔE 0.085
- Rich Purple #720058 ΔE 0.090
- Red Purple #820747 ΔE 0.091
- Dusty Grape #545775 ΔE 0.091
Use #613757 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.