#661E07
Closest named color: Reddy Brown (#6E1005). oklch(34.7% 0.108 36.8), rgb(102, 30, 7).
Aa
White text reads best on this color (11.97:1).
About this color
#661E07 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.108 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.024 away. White text reads best on it, at 11.97:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.75:1 |
| White text | 11.97:1 |
Values
| HEX | #661E07 |
| RGB | rgb(102, 30, 7) |
| HSL | hsl(15, 87%, 21%) |
| OKLCH | oklch(34.7% 0.108 36.8) |
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 #661E07 | 11.97:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #661E07 | 1.75:1 | Fails | Lc 7.4 | Not readable |
| #661E07 text on white | 11.97:1 | AAA | Lc 96.5 | Preferred for body text |
| #661E07 text on black | 1.75:1 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#F9E5DF
oklch(93.6% 0.023 37.4)
-
Step 200
200
#F5CFC5
oklch(88.4% 0.045 35.1)
-
Step 300
300
#F0AF9C
oklch(81% 0.081 36.9)
-
Step 400
400
#E58165
oklch(70.7% 0.13 36.5)
-
Step 500
500
#DA5D39
oklch(63.1% 0.165 36.7)
-
Step 600
600
#C63E0D
oklch(55.7% 0.18 36.9)
-
Step 700
700
#A92F00
oklch(49% 0.165 36.7)
-
Step 800
800
#8A2806
oklch(42.6% 0.139 36.7)
-
Step 900
900 (this color)
#661E07
oklch(34.7% 0.108 36.8)
-
Step 950
950
#42180C
oklch(27.1% 0.069 36.7)
#661E07 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) | #332C04 | 0.110 |
| Deuteranopia (no green cones) | #453D03 | 0.101 |
| Tritanopia (no blue cones) | #71071A | 0.044 |
| Achromatopsia (no color) | #373737 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661E07
#661E07
oklch(34.7% 0.108 36.8)
- #00414F
#00414F
oklch(34.6% 0.062 218)
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 #661E07, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.024
- Chestnut #742802 ΔE 0.041
- Blood #770001 ΔE 0.043
- Claret #680018 ΔE 0.048
- Maroon #800000 ΔE 0.058
- Wine Red #7B0323 ΔE 0.063
- Burgundy #610023 ΔE 0.066
- Bordeaux #7B002C ΔE 0.074
Use #661E07 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.