#613628
Closest named color: Purple Brown (#673A3F). oklch(38.3% 0.066 38.8), rgb(97, 54, 40).
Aa
White text reads best on this color (10.16:1).
About this color
#613628 is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.066 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.036 away. White text reads best on it, at 10.16:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.06:1 |
| White text | 10.16:1 |
Values
| HEX | #613628 |
| RGB | rgb(97, 54, 40) |
| HSL | hsl(15, 42%, 27%) |
| OKLCH | oklch(38.3% 0.066 38.8) |
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 #613628 | 10.16:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #613628 | 2.06:1 | Fails | Lc 10.6 | Not readable |
| #613628 text on white | 10.16:1 | AAA | Lc 93.4 | Preferred for body text |
| #613628 text on black | 2.06:1 | Fails | Lc -9.1 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E3
oklch(93.6% 0.014 39.4)
-
Step 200
200
#EAD3CC
oklch(88.4% 0.027 37.6)
-
Step 300
300
#DEB6A9
oklch(80.8% 0.05 38.8)
-
Step 400
400
#CC907C
oklch(70.7% 0.079 39.2)
-
Step 500
500
#BE735B
oklch(63.1% 0.102 38.5)
-
Step 600
600
#A95A41
oklch(55.6% 0.11 38.3)
-
Step 700
700
#914A32
oklch(49.2% 0.103 39.2)
-
Step 800
800
#763D2A
oklch(42.8% 0.085 39.1)
-
Step 900
900 (this color)
#613628
oklch(38.3% 0.066 38.8)
-
Step 950
950
#381F17
oklch(27% 0.042 38.5)
#613628 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) | #413C27 | 0.062 |
| Deuteranopia (no green cones) | #4B4527 | 0.059 |
| Tritanopia (no blue cones) | #6A2F33 | 0.033 |
| Achromatopsia (no color) | #414141 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613628
#613628
oklch(38.3% 0.066 38.8)
- #074B5B
#074B5B
oklch(38.2% 0.066 219.2)
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 #613628, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.036
- Chestnut #742802 ΔE 0.050
- Mud Brown #60460F ΔE 0.061
- Reddy Brown #6E1005 ΔE 0.073
- Charcoal Grey #3C4142 ΔE 0.074
- Brownish Purple #76424E ΔE 0.074
- Red Brown #8B2E16 ΔE 0.085
- Blood #770001 ΔE 0.086
Use #613628 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.