#661E3E
Closest named color: Merlot (#730039). oklch(35.9% 0.108 356.6), rgb(102, 30, 62).
Aa
White text reads best on this color (11.53:1).
About this color
#661E3E is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.108 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.038 away. White text reads best on it, at 11.53:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.82:1 |
| White text | 11.53:1 |
Values
| HEX | #661E3E |
| RGB | rgb(102, 30, 62) |
| HSL | hsl(333, 55%, 26%) |
| OKLCH | oklch(35.9% 0.108 356.6) |
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 #661E3E | 11.53:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #661E3E | 1.82:1 | Fails | Lc 8.1 | Not readable |
| #661E3E text on white | 11.53:1 | AAA | Lc 95.8 | Preferred for body text |
| #661E3E 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
#F8E4EA
oklch(93.7% 0.023 357.4)
-
Step 200
200
#F3CDDA
oklch(88.4% 0.046 355.5)
-
Step 300
300
#ECABC2
oklch(80.9% 0.081 356.1)
-
Step 400
400
#E07CA2
oklch(70.7% 0.13 356.8)
-
Step 500
500
#D4578C
oklch(63.2% 0.166 356.5)
-
Step 600
600
#BF3775
oklch(55.6% 0.18 356.9)
-
Step 700
700
#A42863
oklch(49.1% 0.167 356.4)
-
Step 800
800
#852351
oklch(42.6% 0.139 356.1)
-
Step 900
900 (this color)
#661E3E
oklch(35.9% 0.108 356.6)
-
Step 950
950
#3F1627
oklch(27% 0.068 356.6)
#661E3E 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) | #2B313F | 0.120 |
| Deuteranopia (no green cones) | #3F3E3C | 0.108 |
| Tritanopia (no blue cones) | #6E172B | 0.034 |
| Achromatopsia (no color) | #393939 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661E3E
#661E3E
oklch(35.9% 0.108 356.6)
- #00483C
#00483C
oklch(35.9% 0.067 176.8)
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 #661E3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.038
- Grape Purple #5D1451 ΔE 0.050
- Velvet #750851 ΔE 0.053
- Bordeaux #7B002C ΔE 0.053
- Burgundy #610023 ΔE 0.054
- Wine #80013F ΔE 0.057
- Wine Red #7B0323 ΔE 0.059
- Claret #680018 ΔE 0.060
Use #661E3E 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.