#661D22
Closest named color: Reddy Brown (#6E1005). oklch(35% 0.104 20.6), rgb(102, 29, 34).
Aa
White text reads best on this color (11.90:1).
About this color
#661D22 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.104 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.032 away. White text reads best on it, at 11.90:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.76:1 |
| White text | 11.90:1 |
Values
| HEX | #661D22 |
| RGB | rgb(102, 29, 34) |
| HSL | hsl(356, 56%, 26%) |
| OKLCH | oklch(35% 0.104 20.6) |
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 #661D22 | 11.90:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #661D22 | 1.76:1 | Fails | Lc 7.4 | Not readable |
| #661D22 text on white | 11.90:1 | AAA | Lc 96.4 | Preferred for body text |
| #661D22 text on black | 1.76:1 | 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
#F9E4E3
oklch(93.5% 0.023 20.9)
-
Step 200
200
#F5CECD
oklch(88.4% 0.044 19.8)
-
Step 300
300
#EFADAB
oklch(80.9% 0.078 20.9)
-
Step 400
400
#E47F7F
oklch(70.7% 0.125 20.7)
-
Step 500
500
#D95A5F
oklch(63.1% 0.16 20.5)
-
Step 600
600
#C43A45
oklch(55.5% 0.174 20.6)
-
Step 700
700
#A92B37
oklch(49.1% 0.162 20.6)
-
Step 800
800
#89262E
oklch(42.7% 0.133 20.5)
-
Step 900
900 (this color)
#661D22
oklch(35% 0.104 20.6)
-
Step 950
950
#411718
oklch(27% 0.066 21.1)
#661D22 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) | #302D22 | 0.114 |
| Deuteranopia (no green cones) | #433D20 | 0.105 |
| Tritanopia (no blue cones) | #700B1F | 0.028 |
| Achromatopsia (no color) | #373737 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661D22
#661D22
oklch(35% 0.104 20.6)
- #004347
#004347
oklch(34.8% 0.059 201.6)
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 #661D22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.032
- Claret #680018 ΔE 0.035
- Burgundy #610023 ΔE 0.046
- Blood #770001 ΔE 0.047
- Wine Red #7B0323 ΔE 0.048
- Bordeaux #7B002C ΔE 0.054
- Chestnut #742802 ΔE 0.055
- Maroon #800000 ΔE 0.060
Use #661D22 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.