#661D35
Closest named color: Merlot (#730039). oklch(35.5% 0.106 4.2), rgb(102, 29, 53).
Aa
White text reads best on this color (11.71:1).
About this color
#661D35 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.106 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.040 away. White text reads best on it, at 11.71:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.79:1 |
| White text | 11.71:1 |
Values
| HEX | #661D35 |
| RGB | rgb(102, 29, 53) |
| HSL | hsl(340, 56%, 26%) |
| OKLCH | oklch(35.5% 0.106 4.2) |
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 #661D35 | 11.71:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #661D35 | 1.79:1 | Fails | Lc 7.8 | Not readable |
| #661D35 text on white | 11.71:1 | AAA | Lc 96.1 | Preferred for body text |
| #661D35 text on black | 1.79:1 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F8E4E8
oklch(93.6% 0.022 3.8)
-
Step 200
200
#F4CED5
oklch(88.6% 0.044 5.5)
-
Step 300
300
#EEABBA
oklch(80.8% 0.081 4.3)
-
Step 400
400
#E27D97
oklch(70.8% 0.127 4.4)
-
Step 500
500
#D6577E
oklch(63% 0.163 3.9)
-
Step 600
600
#C13767
oklch(55.5% 0.177 4)
-
Step 700
700
#A62855
oklch(49% 0.164 4.3)
-
Step 800
800
#872446
oklch(42.7% 0.136 4.2)
-
Step 900
900 (this color)
#661D35
oklch(35.5% 0.106 4.2)
-
Step 950
950
#401622
oklch(27% 0.067 4.8)
#661D35 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) | #2D2F36 | 0.118 |
| Deuteranopia (no green cones) | #403D33 | 0.107 |
| Tritanopia (no blue cones) | #6F1227 | 0.028 |
| Achromatopsia (no color) | #383838 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661D35
#661D35
oklch(35.5% 0.106 4.2)
- #00463F
#00463F
oklch(35.4% 0.063 183.6)
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 #661D35, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.040
- Burgundy #610023 ΔE 0.046
- Claret #680018 ΔE 0.047
- Bordeaux #7B002C ΔE 0.048
- Wine Red #7B0323 ΔE 0.051
- Reddy Brown #6E1005 ΔE 0.059
- Wine #80013F ΔE 0.061
- Grape Purple #5D1451 ΔE 0.062
Use #661D35 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.