#613D45
Closest named color: Purple Brown (#673A3F). oklch(40.5% 0.052 5.1), rgb(97, 61, 69).
Aa
White text reads best on this color (9.28:1).
About this color
#613D45 is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.052 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.015 away. White text reads best on it, at 9.28:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.052) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.26:1 |
| White text | 9.28:1 |
Values
| HEX | #613D45 |
| RGB | rgb(97, 61, 69) |
| HSL | hsl(347, 23%, 31%) |
| OKLCH | oklch(40.5% 0.052 5.1) |
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 #613D45 | 9.28:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #613D45 | 2.26:1 | Fails | Lc 12.6 | Not readable |
| #613D45 text on white | 9.28:1 | AAA | Lc 91.3 | Preferred for body text |
| #613D45 text on black | 2.26:1 | 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
#EFE7E9
oklch(93.5% 0.009 0.1)
-
Step 200
200
#E4D5D7
oklch(88.6% 0.017 8.2)
-
Step 300
300
#D3B9BE
oklch(80.9% 0.03 4.7)
-
Step 400
400
#BC949C
oklch(70.6% 0.049 5)
-
Step 500
500
#AA7A84
oklch(63% 0.061 5.2)
-
Step 600
600
#95636E
oklch(55.6% 0.066 5)
-
Step 700
700
#7F525C
oklch(49.2% 0.062 5.1)
-
Step 800
800 (this color)
#613D45
oklch(40.5% 0.052 5.1)
-
Step 900
900
#54393F
oklch(37.8% 0.039 4.5)
-
Step 950
950
#312125
oklch(26.9% 0.026 2.4)
#613D45 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) | #424345 | 0.057 |
| Deuteranopia (no green cones) | #4B4A44 | 0.053 |
| Tritanopia (no blue cones) | #673A40 | 0.014 |
| Achromatopsia (no color) | #474747 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613D45
#613D45
oklch(40.5% 0.052 5.1)
- #24524D
#24524D
oklch(40.5% 0.051 186)
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 #613D45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.015
- Brownish Purple #76424E ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.067
- Chestnut #742802 ΔE 0.082
- Mud Brown #60460F ΔE 0.082
- Onyx #343A40 ΔE 0.084
- Dark Slate Gray #2F4F4F ΔE 0.089
- Dusty Grape #545775 ΔE 0.092
Use #613D45 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.