#662418
Closest named color: Reddy Brown (#6E1005). oklch(35.7% 0.098 32.4), rgb(102, 36, 24).
Aa
White text reads best on this color (11.47:1).
About this color
#662418 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.098 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.032 away. White text reads best on it, at 11.47:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.83:1 |
| White text | 11.47:1 |
Values
| HEX | #662418 |
| RGB | rgb(102, 36, 24) |
| HSL | hsl(9, 62%, 25%) |
| OKLCH | oklch(35.7% 0.098 32.4) |
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 #662418 | 11.47:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #662418 | 1.83:1 | Fails | Lc 8.1 | Not readable |
| #662418 text on white | 11.47:1 | AAA | Lc 95.8 | Preferred for body text |
| #662418 text on black | 1.83:1 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E1
oklch(93.6% 0.022 31.8)
-
Step 200
200
#F3D0C8
oklch(88.5% 0.041 33)
-
Step 300
300
#ECB0A3
oklch(80.9% 0.073 32.5)
-
Step 400
400
#E08471
oklch(70.7% 0.117 32.6)
-
Step 500
500
#D5614B
oklch(63.1% 0.151 32.4)
-
Step 600
600
#C0442E
oklch(55.6% 0.163 32.3)
-
Step 700
700
#A53421
oklch(49% 0.152 32.1)
-
Step 800
800
#862D1D
oklch(42.7% 0.125 32.4)
-
Step 900
900 (this color)
#662418
oklch(35.7% 0.098 32.4)
-
Step 950
950
#401912
oklch(27% 0.063 31.8)
#662418 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) | #363016 | 0.101 |
| Deuteranopia (no green cones) | #463F16 | 0.093 |
| Tritanopia (no blue cones) | #711522 | 0.038 |
| Achromatopsia (no color) | #393939 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662418
#662418
oklch(35.7% 0.098 32.4)
- #004550
#004550
oklch(35.9% 0.063 212.6)
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 #662418, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.032
- Chestnut #742802 ΔE 0.038
- Blood #770001 ΔE 0.049
- Claret #680018 ΔE 0.052
- Wine Red #7B0323 ΔE 0.060
- Maroon #800000 ΔE 0.060
- Purple Brown #673A3F ΔE 0.064
- Burgundy #610023 ΔE 0.067
Use #662418 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.