#66201D
Closest named color: Reddy Brown (#6E1005). oklch(35.2% 0.101 26.1), rgb(102, 32, 29).
Aa
White text reads best on this color (11.73:1).
About this color
#66201D is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.101 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.029 away. White text reads best on it, at 11.73:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.101) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.78:1 |
| White text | 11.73:1 |
Values
| HEX | #66201D |
| RGB | rgb(102, 32, 29) |
| HSL | hsl(2, 56%, 26%) |
| OKLCH | oklch(35.2% 0.101 26.1) |
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 #66201D | 11.73:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #66201D | 1.78:1 | Fails | Lc 7.7 | Not readable |
| #66201D text on white | 11.73:1 | AAA | Lc 96.2 | Preferred for body text |
| #66201D text on black | 1.78:1 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F4CFCB
oklch(88.5% 0.042 25.3)
-
Step 300
300
#EEAEA7
oklch(80.9% 0.076 25.9)
-
Step 400
400
#E28178
oklch(70.6% 0.121 26.2)
-
Step 500
500
#D75D55
oklch(63% 0.155 26.2)
-
Step 600
600
#C33F3A
oklch(55.7% 0.169 26.4)
-
Step 700
700
#A82F2D
oklch(49.1% 0.158 25.9)
-
Step 800
800
#882926
oklch(42.7% 0.13 26.1)
-
Step 900
900 (this color)
#66201D
oklch(35.2% 0.101 26.1)
-
Step 950
950
#411815
oklch(27.1% 0.065 26.5)
#66201D 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) | #332E1C | 0.108 |
| Deuteranopia (no green cones) | #443E1B | 0.101 |
| Tritanopia (no blue cones) | #700F20 | 0.032 |
| Achromatopsia (no color) | #383838 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66201D
#66201D
oklch(35.2% 0.101 26.1)
- #00444B
#00444B
oklch(35.3% 0.06 206.4)
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 #66201D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.029
- Claret #680018 ΔE 0.042
- Blood #770001 ΔE 0.046
- Chestnut #742802 ΔE 0.047
- Wine Red #7B0323 ΔE 0.053
- Burgundy #610023 ΔE 0.055
- Maroon #800000 ΔE 0.059
- Bordeaux #7B002C ΔE 0.060
Use #66201D 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.