#661E33
Closest named color: Merlot (#730039). oklch(35.5% 0.104 6.4), rgb(102, 30, 51).
Aa
White text reads best on this color (11.67:1).
About this color
#661E33 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.104 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.043 away. White text reads best on it, at 11.67:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.79:1 |
| White text | 11.67:1 |
Values
| HEX | #661E33 |
| RGB | rgb(102, 30, 51) |
| HSL | hsl(343, 55%, 26%) |
| OKLCH | oklch(35.5% 0.104 6.4) |
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 #661E33 | 11.67:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #661E33 | 1.79:1 | Fails | Lc 7.8 | Not readable |
| #661E33 text on white | 11.67:1 | AAA | Lc 96.1 | Preferred for body text |
| #661E33 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
#F8E4E7
oklch(93.6% 0.022 7.2)
-
Step 200
200
#F4CED4
oklch(88.5% 0.043 7.3)
-
Step 300
300
#EDACB8
oklch(80.9% 0.078 6.7)
-
Step 400
400
#E17E94
oklch(70.7% 0.124 6.5)
-
Step 500
500
#D6597A
oklch(63.2% 0.16 6.4)
-
Step 600
600
#C13963
oklch(55.6% 0.174 6.3)
-
Step 700
700
#A62A52
oklch(49.1% 0.162 6.3)
-
Step 800
800
#872543
oklch(42.7% 0.134 6.5)
-
Step 900
900 (this color)
#661E33
oklch(35.5% 0.104 6.4)
-
Step 950
950
#401621
oklch(26.9% 0.066 6.4)
#661E33 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) | #2E2F33 | 0.116 |
| Deuteranopia (no green cones) | #413E31 | 0.107 |
| Tritanopia (no blue cones) | #6F1326 | 0.027 |
| Achromatopsia (no color) | #383838 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661E33
#661E33
oklch(35.5% 0.104 6.4)
- #004641
#004641
oklch(35.5% 0.062 186.7)
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 #661E33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.043
- Claret #680018 ΔE 0.046
- Burgundy #610023 ΔE 0.046
- Bordeaux #7B002C ΔE 0.049
- Wine Red #7B0323 ΔE 0.050
- Reddy Brown #6E1005 ΔE 0.055
- Wine #80013F ΔE 0.063
- Blood #770001 ΔE 0.064
Use #661E33 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.