#65181B
Closest named color: Reddy Brown (#6E1005). oklch(34% 0.109 23.2), rgb(101, 24, 27).
Aa
White text reads best on this color (12.35:1).
About this color
#65181B is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.109 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.026 away. White text reads best on it, at 12.35:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.69:1 |
| White text | 12.35:1 |
Values
| HEX | #65181B |
| RGB | rgb(101, 24, 27) |
| HSL | hsl(358, 62%, 25%) |
| OKLCH | oklch(34% 0.109 23.2) |
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 #65181B | 12.35:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #65181B | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #65181B text on white | 12.35:1 | AAA | Lc 97.1 | Preferred for body text |
| #65181B text on black | 1.69:1 | Fails | Lc 0.0 | 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 900.
-
Step 50
50
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E2
oklch(93.6% 0.024 23.9)
-
Step 200
200
#F6CECB
oklch(88.5% 0.046 23.1)
-
Step 300
300
#F1ACA8
oklch(80.9% 0.082 22.8)
-
Step 400
400
#E77D79
oklch(70.7% 0.132 23.2)
-
Step 500
500
#DC5757
oklch(63% 0.167 23.2)
-
Step 600
600
#C8363C
oklch(55.6% 0.182 23.4)
-
Step 700
700
#AC262F
oklch(49% 0.17 23)
-
Step 800
800
#8C2327
oklch(42.8% 0.14 23.5)
-
Step 900
900 (this color)
#65181B
oklch(34% 0.109 23.2)
-
Step 950
950
#421616
oklch(27% 0.069 22.8)
#65181B 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) | #2E2A1A | 0.119 |
| Deuteranopia (no green cones) | #413B19 | 0.110 |
| Tritanopia (no blue cones) | #70001A | 0.031 |
| Achromatopsia (no color) | #353535 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #65181B
#65181B
oklch(34% 0.109 23.2)
- #004145
#004145
oklch(34.2% 0.058 201.7)
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 #65181B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.026
- Claret #680018 ΔE 0.027
- Burgundy #610023 ΔE 0.041
- Blood #770001 ΔE 0.043
- Wine Red #7B0323 ΔE 0.050
- Bordeaux #7B002C ΔE 0.057
- Chestnut #742802 ΔE 0.059
- Maroon #800000 ΔE 0.060
Use #65181B 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.