#65373B
Closest named color: Purple Brown (#673A3F). oklch(39.5% 0.066 14.9), rgb(101, 55, 59).
Aa
White text reads best on this color (9.70:1).
About this color
#65373B is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.066 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.010 away. White text reads best on it, at 9.70:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #65373B |
| RGB | rgb(101, 55, 59) |
| HSL | hsl(355, 29%, 31%) |
| OKLCH | oklch(39.5% 0.066 14.9) |
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 #65373B | 9.70:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #65373B | 2.16:1 | Fails | Lc 11.7 | Not readable |
| #65373B text on white | 9.70:1 | AAA | Lc 92.3 | Preferred for body text |
| #65373B text on black | 2.16:1 | Fails | Lc -10.1 | 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
#FAF4F4
oklch(97.2% 0.006 17.3)
-
Step 100
100
#F3E6E7
oklch(93.6% 0.014 12)
-
Step 200
200
#EBD2D3
oklch(88.5% 0.028 14.9)
-
Step 300
300
#DFB4B6
oklch(80.9% 0.05 15.1)
-
Step 400
400
#CD8D91
oklch(70.8% 0.078 15.1)
-
Step 500
500
#BE6F76
oklch(63.1% 0.1 14.7)
-
Step 600
600
#A9565E
oklch(55.5% 0.109 15.2)
-
Step 700
700
#91464E
oklch(49.1% 0.101 14.9)
-
Step 800
800
#763A40
oklch(42.7% 0.084 15)
-
Step 900
900 (this color)
#65373B
oklch(39.5% 0.066 14.9)
-
Step 950
950
#381E20
oklch(27.1% 0.041 15.2)
#65373B 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) | #403F3B | 0.071 |
| Deuteranopia (no green cones) | #4B483A | 0.067 |
| Tritanopia (no blue cones) | #6D3239 | 0.019 |
| Achromatopsia (no color) | #444444 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #65373B
#65373B
oklch(39.5% 0.066 14.9)
- #055151
#055151
oklch(39.5% 0.066 194.8)
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 #65373B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.010
- Brownish Purple #76424E ΔE 0.052
- Chestnut #742802 ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.076
- Mud Brown #60460F ΔE 0.081
- Reddy Brown #6E1005 ΔE 0.083
- Red Brown #8B2E16 ΔE 0.084
- Wine Red #7B0323 ΔE 0.084
Use #65373B 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.