#66200B
Closest named color: Reddy Brown (#6E1005). oklch(35% 0.105 36.5), rgb(102, 32, 11).
Aa
White text reads best on this color (11.82:1).
About this color
#66200B is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.105 and its hue 37°. 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 11.82:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.105) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.77:1 |
| White text | 11.82:1 |
Values
| HEX | #66200B |
| RGB | rgb(102, 32, 11) |
| HSL | hsl(14, 81%, 22%) |
| OKLCH | oklch(35% 0.105 36.5) |
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 #66200B | 11.82:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #66200B | 1.77:1 | Fails | Lc 7.6 | Not readable |
| #66200B text on white | 11.82:1 | AAA | Lc 96.3 | Preferred for body text |
| #66200B text on black | 1.77:1 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F9E5DF
oklch(93.6% 0.023 37.4)
-
Step 200
200
#F4D0C5
oklch(88.5% 0.043 37.7)
-
Step 300
300
#EFAF9D
oklch(80.9% 0.08 36.3)
-
Step 400
400
#E38267
oklch(70.6% 0.126 36.4)
-
Step 500
500
#D95F3C
oklch(63.2% 0.162 36.7)
-
Step 600
600
#C44016
oklch(55.6% 0.175 36.5)
-
Step 700
700
#A93005
oklch(49.1% 0.164 36.3)
-
Step 800
800
#892A0B
oklch(42.7% 0.135 36.7)
-
Step 900
900 (this color)
#66200B
oklch(35% 0.105 36.5)
-
Step 950
950
#41180D
oklch(27% 0.067 36)
#66200B 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) | #342E08 | 0.108 |
| Deuteranopia (no green cones) | #463D08 | 0.096 |
| Tritanopia (no blue cones) | #710C1C | 0.043 |
| Achromatopsia (no color) | #373737 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66200B
#66200B
oklch(35% 0.105 36.5)
- #00424F
#00424F
oklch(34.9% 0.062 216.3)
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 #66200B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.026
- Chestnut #742802 ΔE 0.039
- Blood #770001 ΔE 0.045
- Claret #680018 ΔE 0.050
- Maroon #800000 ΔE 0.058
- Wine Red #7B0323 ΔE 0.063
- Burgundy #610023 ΔE 0.067
- Bordeaux #7B002C ΔE 0.073
Use #66200B 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.