#613F49
Closest named color: Purple Brown (#673A3F). oklch(41% 0.05 0.3), rgb(97, 63, 73).
Aa
White text reads best on this color (9.06:1).
About this color
#613F49 is a dark, muted red. In OKLCH its lightness is 41%, its chroma 0.050 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.020 away. White text reads best on it, at 9.06:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | muted (0.050) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.31:1 |
| White text | 9.06:1 |
Values
| HEX | #613F49 |
| RGB | rgb(97, 63, 73) |
| HSL | hsl(342, 21%, 31%) |
| OKLCH | oklch(41% 0.05 0.3) |
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 #613F49 | 9.06:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #613F49 | 2.31:1 | Fails | Lc 13.2 | Not readable |
| #613F49 text on white | 9.06:1 | AAA | Lc 90.8 | Preferred for body text |
| #613F49 text on black | 2.31:1 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EFE8E9
oklch(93.7% 0.008 7.3)
-
Step 200
200
#E3D5D8
oklch(88.5% 0.016 2.7)
-
Step 300
300
#D2B9C0
oklch(80.9% 0.03 359)
-
Step 400
400
#BA959F
oklch(70.7% 0.046 0.4)
-
Step 500
500
#A87B88
oklch(63.1% 0.059 359.9)
-
Step 600
600
#936371
oklch(55.5% 0.065 0.4)
-
Step 700
700
#7D525F
oklch(49% 0.06 359.9)
-
Step 800
800 (this color)
#613F49
oklch(41% 0.05 0.3)
-
Step 900
900
#533940
oklch(37.7% 0.038 1.4)
-
Step 950
950
#312126
oklch(26.9% 0.026 358.5)
#613F49 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) | #434549 | 0.055 |
| Deuteranopia (no green cones) | #4C4B48 | 0.050 |
| Tritanopia (no blue cones) | #673D42 | 0.015 |
| Achromatopsia (no color) | #494949 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613F49
#613F49
oklch(41% 0.05 0.3)
- #29534B
#29534B
oklch(40.9% 0.049 179.9)
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 #613F49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.020
- Brownish Purple #76424E ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.068
- Dusty Grape #545775 ΔE 0.085
- Mud Brown #60460F ΔE 0.085
- Onyx #343A40 ΔE 0.086
- Dark Slate Gray #2F4F4F ΔE 0.087
- Chestnut #742802 ΔE 0.088
Use #613F49 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.