#613428
Closest named color: Purple Brown (#673A3F). oklch(37.9% 0.068 35.8), rgb(97, 52, 40).
Aa
White text reads best on this color (10.34:1).
About this color
#613428 is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.068 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.037 away. White text reads best on it, at 10.34:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.03:1 |
| White text | 10.34:1 |
Values
| HEX | #613428 |
| RGB | rgb(97, 52, 40) |
| HSL | hsl(13, 42%, 27%) |
| OKLCH | oklch(37.9% 0.068 35.8) |
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 #613428 | 10.34:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #613428 | 2.03:1 | Fails | Lc 10.2 | Not readable |
| #613428 text on white | 10.34:1 | AAA | Lc 93.8 | Preferred for body text |
| #613428 text on black | 2.03:1 | Fails | Lc -8.8 | 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
#EBD3CC
oklch(88.5% 0.029 36.9)
-
Step 300
300
#DFB6AA
oklch(80.9% 0.051 36.9)
-
Step 400
400
#CE8F7D
oklch(70.8% 0.082 36.6)
-
Step 500
500
#C0715C
oklch(63.1% 0.105 35.7)
-
Step 600
600
#AB5842
oklch(55.5% 0.114 35.8)
-
Step 700
700
#934834
oklch(49.2% 0.106 35.9)
-
Step 800
800
#773C2C
oklch(42.8% 0.087 36.1)
-
Step 900
900 (this color)
#613428
oklch(37.9% 0.068 35.8)
-
Step 950
950
#391E17
oklch(27% 0.044 35.4)
#613428 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) | #3F3A27 | 0.067 |
| Deuteranopia (no green cones) | #4A4427 | 0.062 |
| Tritanopia (no blue cones) | #6A2D31 | 0.031 |
| Achromatopsia (no color) | #404040 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613428
#613428
oklch(37.9% 0.068 35.8)
- #004B59
#004B59
oklch(38% 0.067 215.6)
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 #613428, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.037
- Chestnut #742802 ΔE 0.049
- Mud Brown #60460F ΔE 0.066
- Reddy Brown #6E1005 ΔE 0.069
- Charcoal Grey #3C4142 ΔE 0.076
- Brownish Purple #76424E ΔE 0.076
- Blood #770001 ΔE 0.082
- Red Brown #8B2E16 ΔE 0.085
Use #613428 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.