#66242E
Closest named color: Reddy Brown (#6E1005). oklch(36.2% 0.095 14.1), rgb(102, 36, 46).
Aa
White text reads best on this color (11.31:1).
About this color
#66242E is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.095 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.049 away. White text reads best on it, at 11.31:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.85:1 |
| White text | 11.31:1 |
Values
| HEX | #66242E |
| RGB | rgb(102, 36, 46) |
| HSL | hsl(351, 48%, 27%) |
| OKLCH | oklch(36.2% 0.095 14.1) |
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 #66242E | 11.31:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #66242E | 1.85:1 | Fails | Lc 8.4 | Not readable |
| #66242E text on white | 11.31:1 | AAA | Lc 95.5 | Preferred for body text |
| #66242E text on black | 1.85:1 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F7E5E6
oklch(93.7% 0.02 13.6)
-
Step 200
200
#F2CFD1
oklch(88.5% 0.039 14)
-
Step 300
300
#EBAEB3
oklch(80.9% 0.072 13.3)
-
Step 400
400
#DE828B
oklch(70.8% 0.114 14.1)
-
Step 500
500
#D25F6E
oklch(63.1% 0.146 14.2)
-
Step 600
600
#BD4256
oklch(55.6% 0.158 14.3)
-
Step 700
700
#A33246
oklch(49.1% 0.148 14.2)
-
Step 800
800
#842B3A
oklch(42.6% 0.122 14)
-
Step 900
900 (this color)
#66242E
oklch(36.2% 0.095 14.1)
-
Step 950
950
#3F181D
oklch(27% 0.061 14.2)
#66242E 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) | #33322E | 0.105 |
| Deuteranopia (no green cones) | #443F2C | 0.096 |
| Tritanopia (no blue cones) | #701A28 | 0.025 |
| Achromatopsia (no color) | #3A3A3A | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66242E
#66242E
oklch(36.2% 0.095 14.1)
- #004847
#004847
oklch(36.3% 0.062 193.2)
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 #66242E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.049
- Claret #680018 ΔE 0.051
- Wine Red #7B0323 ΔE 0.052
- Purple Brown #673A3F ΔE 0.053
- Bordeaux #7B002C ΔE 0.055
- Burgundy #610023 ΔE 0.057
- Merlot #730039 ΔE 0.058
- Chestnut #742802 ΔE 0.059
Use #66242E 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.