#661F3A
Closest named color: Merlot (#730039). oklch(35.9% 0.105 0.5), rgb(102, 31, 58).
Aa
White text reads best on this color (11.52:1).
About this color
#661F3A is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.105 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.041 away. White text reads best on it, at 11.52:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.105) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.82:1 |
| White text | 11.52:1 |
Values
| HEX | #661F3A |
| RGB | rgb(102, 31, 58) |
| HSL | hsl(337, 53%, 26%) |
| OKLCH | oklch(35.9% 0.105 0.5) |
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 #661F3A | 11.52:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #661F3A | 1.82:1 | Fails | Lc 8.1 | Not readable |
| #661F3A text on white | 11.52:1 | AAA | Lc 95.8 | Preferred for body text |
| #661F3A text on black | 1.82:1 | 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F8E4E9
oklch(93.6% 0.023 0.5)
-
Step 200
200
#F3CED7
oklch(88.5% 0.043 1.6)
-
Step 300
300
#ECACBE
oklch(80.9% 0.078 0.5)
-
Step 400
400
#E07D9D
oklch(70.7% 0.127 0.2)
-
Step 500
500
#D45885
oklch(63.1% 0.162 0.2)
-
Step 600
600
#BF396E
oklch(55.6% 0.175 0.5)
-
Step 700
700
#A42A5C
oklch(49% 0.162 0.4)
-
Step 800
800
#86254B
oklch(42.8% 0.135 0.8)
-
Step 900
900 (this color)
#661F3A
oklch(35.9% 0.105 0.5)
-
Step 950
950
#3F1625
oklch(26.9% 0.067 359.7)
#661F3A 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) | #2D313B | 0.117 |
| Deuteranopia (no green cones) | #403E38 | 0.106 |
| Tritanopia (no blue cones) | #6F172A | 0.031 |
| Achromatopsia (no color) | #393939 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661F3A
#661F3A
oklch(35.9% 0.105 0.5)
- #00483E
#00483E
oklch(36% 0.065 179.5)
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 #661F3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.041
- Bordeaux #7B002C ΔE 0.051
- Burgundy #610023 ΔE 0.052
- Claret #680018 ΔE 0.055
- Wine Red #7B0323 ΔE 0.056
- Grape Purple #5D1451 ΔE 0.057
- Wine #80013F ΔE 0.059
- Velvet #750851 ΔE 0.059
Use #661F3A 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.