#613C4A
Closest named color: Purple Brown (#673A3F). oklch(40.4% 0.056 355.6), rgb(97, 60, 74).
Aa
White text reads best on this color (9.31:1).
About this color
#613C4A is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.056 and its hue 356°. 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 9.31:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.25:1 |
| White text | 9.31:1 |
Values
| HEX | #613C4A |
| RGB | rgb(97, 60, 74) |
| HSL | hsl(337, 24%, 31%) |
| OKLCH | oklch(40.4% 0.056 355.6) |
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 #613C4A | 9.31:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #613C4A | 2.25:1 | Fails | Lc 12.6 | Not readable |
| #613C4A text on white | 9.31:1 | AAA | Lc 91.4 | Preferred for body text |
| #613C4A text on black | 2.25:1 | Fails | Lc -11.0 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EFE7EA
oklch(93.5% 0.01 352.4)
-
Step 200
200
#E4D4D9
oklch(88.4% 0.019 356.5)
-
Step 300
300
#D3B8C1
oklch(80.8% 0.033 355.7)
-
Step 400
400
#BC94A2
oklch(70.8% 0.051 355.6)
-
Step 500
500
#AB798B
oklch(63.2% 0.067 355.8)
-
Step 600
600
#956175
oklch(55.5% 0.072 355)
-
Step 700
700
#7F5062
oklch(49% 0.068 355.3)
-
Step 800
800 (this color)
#613C4A
oklch(40.4% 0.056 355.6)
-
Step 900
900
#543842
oklch(37.6% 0.043 356.2)
-
Step 950
950
#322127
oklch(27.1% 0.028 356.2)
#613C4A 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) | #40434A | 0.061 |
| Deuteranopia (no green cones) | #494949 | 0.056 |
| Tritanopia (no blue cones) | #673A41 | 0.018 |
| Achromatopsia (no color) | #474747 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613C4A
#613C4A
oklch(40.4% 0.056 355.6)
- #235347
#235347
oklch(40.5% 0.056 174.6)
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 #613C4A, 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 0.046
- Charcoal Grey #3C4142 ΔE 0.070
- Onyx #343A40 ΔE 0.085
- Chestnut #742802 ΔE 0.089
- Dusty Grape #545775 ΔE 0.089
- Dark Slate Gray #2F4F4F ΔE 0.092
- Dark Grey Blue #29465B ΔE 0.092
Use #613C4A 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.