#662720
Closest named color: Reddy Brown (#6E1005). oklch(36.3% 0.093 28.8), rgb(102, 39, 32).
Aa
White text reads best on this color (11.19:1).
About this color
#662720 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.093 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.039 away. White text reads best on it, at 11.19:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.87:1 |
| White text | 11.19:1 |
Values
| HEX | #662720 |
| RGB | rgb(102, 39, 32) |
| HSL | hsl(6, 52%, 26%) |
| OKLCH | oklch(36.3% 0.093 28.8) |
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 #662720 | 11.19:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #662720 | 1.87:1 | Fails | Lc 8.6 | Not readable |
| #662720 text on white | 11.19:1 | AAA | Lc 95.3 | Preferred for body text |
| #662720 text on black | 1.87:1 | Fails | Lc -7.4 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F7E5E2
oklch(93.5% 0.02 28.9)
-
Step 200
200
#F2D0CB
oklch(88.5% 0.039 27.8)
-
Step 300
300
#EAB0A7
oklch(80.8% 0.07 28.7)
-
Step 400
400
#DD8578
oklch(70.7% 0.111 29.1)
-
Step 500
500
#D16356
oklch(63% 0.142 28.6)
-
Step 600
600
#BD473B
oklch(55.7% 0.155 28.8)
-
Step 700
700
#A2372D
oklch(49% 0.144 28.7)
-
Step 800
800
#842F26
oklch(42.7% 0.119 29)
-
Step 900
900 (this color)
#662720
oklch(36.3% 0.093 28.8)
-
Step 950
950
#3F1A15
oklch(27.1% 0.059 29.4)
#662720 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) | #37331F | 0.097 |
| Deuteranopia (no green cones) | #47401E | 0.089 |
| Tritanopia (no blue cones) | #701A26 | 0.033 |
| Achromatopsia (no color) | #3B3B3B | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662720
#662720
oklch(36.3% 0.093 28.8)
- #00474F
#00474F
oklch(36.4% 0.062 207.6)
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 #662720, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.039
- Chestnut #742802 ΔE 0.040
- Blood #770001 ΔE 0.054
- Purple Brown #673A3F ΔE 0.055
- Claret #680018 ΔE 0.056
- Wine Red #7B0323 ΔE 0.060
- Maroon #800000 ΔE 0.063
- Bordeaux #7B002C ΔE 0.067
Use #662720 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.