#661A33
Closest named color: Merlot (#730039). oklch(35.1% 0.11 4.9), rgb(102, 26, 51).
Aa
White text reads best on this color (11.92:1).
About this color
#661A33 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.110 and its hue 5°. 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 11.92:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.110) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.76:1 |
| White text | 11.92:1 |
Values
| HEX | #661A33 |
| RGB | rgb(102, 26, 51) |
| HSL | hsl(340, 59%, 25%) |
| OKLCH | oklch(35.1% 0.11 4.9) |
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 #661A33 | 11.92:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #661A33 | 1.76:1 | Fails | Lc 7.5 | Not readable |
| #661A33 text on white | 11.92:1 | AAA | Lc 96.4 | Preferred for body text |
| #661A33 text on black | 1.76:1 | 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
#FDF3F4
oklch(97.2% 0.011 10.3)
-
Step 100
100
#F9E4E8
oklch(93.7% 0.024 4.5)
-
Step 200
200
#F5CDD5
oklch(88.5% 0.046 4.6)
-
Step 300
300
#EFABB9
oklch(80.9% 0.082 5.5)
-
Step 400
400
#E47B96
oklch(70.7% 0.132 4.6)
-
Step 500
500
#D9557C
oklch(63.2% 0.168 5)
-
Step 600
600
#C43465
oklch(55.7% 0.183 5)
-
Step 700
700
#A92454
oklch(49.2% 0.171 4.9)
-
Step 800
800
#892145
oklch(42.7% 0.141 4.7)
-
Step 900
900 (this color)
#661A33
oklch(35.1% 0.11 4.9)
-
Step 950
950
#411522
oklch(27% 0.07 4.6)
#661A33 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) | #2B2D34 | 0.123 |
| Deuteranopia (no green cones) | #3F3C31 | 0.111 |
| Tritanopia (no blue cones) | #6F0D24 | 0.029 |
| Achromatopsia (no color) | #373737 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661A33
#661A33
oklch(35.1% 0.11 4.9)
- #00453F
#00453F
oklch(35.1% 0.062 185.1)
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 #661A33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.038
- Burgundy #610023 ΔE 0.040
- Claret #680018 ΔE 0.043
- Bordeaux #7B002C ΔE 0.047
- Wine Red #7B0323 ΔE 0.050
- Reddy Brown #6E1005 ΔE 0.057
- Wine #80013F ΔE 0.060
- Grape Purple #5D1451 ΔE 0.063
Use #661A33 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.