#613D50
Closest named color: Purple Brown (#673A3F). oklch(40.9% 0.058 347), rgb(97, 61, 80).
Aa
White text reads best on this color (9.16:1).
About this color
#613D50 is a dark, muted red. In OKLCH its lightness is 41%, its chroma 0.058 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.028 away. White text reads best on it, at 9.16:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.29:1 |
| White text | 9.16:1 |
Values
| HEX | #613D50 |
| RGB | rgb(97, 61, 80) |
| HSL | hsl(328, 23%, 31%) |
| OKLCH | oklch(40.9% 0.058 347) |
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 #613D50 | 9.16:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #613D50 | 2.29:1 | Fails | Lc 13.0 | Not readable |
| #613D50 text on white | 9.16:1 | AAA | Lc 91.0 | Preferred for body text |
| #613D50 text on black | 2.29:1 | Fails | Lc -11.3 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EB
oklch(93.5% 0.01 345.4)
-
Step 200
200
#E3D4DB
oklch(88.4% 0.019 347.5)
-
Step 300
300
#D2B8C5
oklch(80.9% 0.034 346.2)
-
Step 400
400
#BB93A7
oklch(70.7% 0.055 347.1)
-
Step 500
500
#A97991
oklch(63.2% 0.068 347.8)
-
Step 600
600
#94617C
oklch(55.6% 0.076 346.8)
-
Step 700
700
#7E5068
oklch(49.1% 0.07 347.4)
-
Step 800
800 (this color)
#613D50
oklch(40.9% 0.058 347)
-
Step 900
900
#533846
oklch(37.7% 0.044 347)
-
Step 950
950
#312129
oklch(27% 0.028 347.7)
#613D50 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) | #404451 | 0.060 |
| Deuteranopia (no green cones) | #494A4F | 0.055 |
| Tritanopia (no blue cones) | #663C44 | 0.021 |
| Achromatopsia (no color) | #484848 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613D50
#613D50
oklch(40.9% 0.058 347)
- #275443
#275443
oklch(40.8% 0.058 166.6)
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 #613D50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.028
- Brownish Purple #76424E ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.073
- Dusty Grape #545775 ΔE 0.083
- Onyx #343A40 ΔE 0.088
- Dark Mauve #874C62 ΔE 0.089
- Dark Grey Blue #29465B ΔE 0.090
- Dusk #4E5481 ΔE 0.092
Use #613D50 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.