#66172C
Closest named color: Claret (#680018). oklch(34.5% 0.112 9.8), rgb(102, 23, 44).
Aa
White text reads best on this color (12.18:1).
About this color
#66172C is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.112 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.032 away. White text reads best on it, at 12.18:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.72:1 |
| White text | 12.18:1 |
Values
| HEX | #66172C |
| RGB | rgb(102, 23, 44) |
| HSL | hsl(344, 63%, 25%) |
| OKLCH | oklch(34.5% 0.112 9.8) |
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 #66172C | 12.18:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #66172C | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #66172C text on white | 12.18:1 | AAA | Lc 96.8 | Preferred for body text |
| #66172C text on black | 1.72:1 | 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
#FAE4E6
oklch(93.7% 0.024 11.3)
-
Step 200
200
#F6CDD2
oklch(88.5% 0.047 9.8)
-
Step 300
300
#F1AAB4
oklch(80.8% 0.084 9.8)
-
Step 400
400
#E67A8E
oklch(70.6% 0.134 9.4)
-
Step 500
500
#DC5372
oklch(63.1% 0.172 9.7)
-
Step 600
600
#C7315A
oklch(55.6% 0.186 10)
-
Step 700
700
#AB214A
oklch(49% 0.173 9.8)
-
Step 800
800
#8B1F3D
oklch(42.7% 0.143 9.8)
-
Step 900
900 (this color)
#66172C
oklch(34.5% 0.112 9.8)
-
Step 950
950
#42151F
oklch(27.1% 0.07 9.4)
#66172C 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) | #2B2B2C | 0.125 |
| Deuteranopia (no green cones) | #3F3B2A | 0.114 |
| Tritanopia (no blue cones) | #700420 | 0.028 |
| Achromatopsia (no color) | #353535 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66172C
#66172C
oklch(34.5% 0.112 9.8)
- #004340
#004340
oklch(34.5% 0.06 189.7)
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 #66172C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.032
- Burgundy #610023 ΔE 0.033
- Merlot #730039 ΔE 0.042
- Bordeaux #7B002C ΔE 0.046
- Wine Red #7B0323 ΔE 0.046
- Reddy Brown #6E1005 ΔE 0.047
- Blood #770001 ΔE 0.056
- Wine #80013F ΔE 0.065
Use #66172C 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.