#661C13
Closest named color: Reddy Brown (#6E1005). oklch(34.6% 0.108 30.3), rgb(102, 28, 19).
Aa
White text reads best on this color (12.06:1).
About this color
#661C13 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.108 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.021 away. White text reads best on it, at 12.06:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.74:1 |
| White text | 12.06:1 |
Values
| HEX | #661C13 |
| RGB | rgb(102, 28, 19) |
| HSL | hsl(7, 69%, 24%) |
| OKLCH | oklch(34.6% 0.108 30.3) |
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 #661C13 | 12.06:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #661C13 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #661C13 text on white | 12.06:1 | AAA | Lc 96.7 | Preferred for body text |
| #661C13 text on black | 1.74:1 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#F9E5E1
oklch(93.7% 0.023 31.1)
-
Step 200
200
#F5CFC8
oklch(88.5% 0.044 30.2)
-
Step 300
300
#F0AEA2
oklch(81% 0.08 30.5)
-
Step 400
400
#E6806F
oklch(70.8% 0.129 30.6)
-
Step 500
500
#DB5A49
oklch(63% 0.165 29.9)
-
Step 600
600
#C73A2A
oklch(55.6% 0.18 30.1)
-
Step 700
700
#AB2B1D
oklch(49.1% 0.167 30.2)
-
Step 800
800
#8B261A
oklch(42.7% 0.138 30.3)
-
Step 900
900 (this color)
#661C13
oklch(34.6% 0.108 30.3)
-
Step 950
950
#421711
oklch(27% 0.068 30.2)
#661C13 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) | #312C11 | 0.114 |
| Deuteranopia (no green cones) | #443C10 | 0.103 |
| Tritanopia (no blue cones) | #71041A | 0.037 |
| Achromatopsia (no color) | #363636 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661C13
#661C13
oklch(34.6% 0.108 30.3)
- #00424B
#00424B
oklch(34.7% 0.06 210)
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 #661C13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.021
- Claret #680018 ΔE 0.038
- Blood #770001 ΔE 0.041
- Chestnut #742802 ΔE 0.047
- Burgundy #610023 ΔE 0.055
- Wine Red #7B0323 ΔE 0.055
- Maroon #800000 ΔE 0.056
- Bordeaux #7B002C ΔE 0.064
Use #661C13 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.