#662015
Closest named color: Reddy Brown (#6E1005). oklch(35.1% 0.103 31.5), rgb(102, 32, 21).
Aa
White text reads best on this color (11.78:1).
About this color
#662015 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.103 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.026 away. White text reads best on it, at 11.78:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.78:1 |
| White text | 11.78:1 |
Values
| HEX | #662015 |
| RGB | rgb(102, 32, 21) |
| HSL | hsl(8, 66%, 24%) |
| OKLCH | oklch(35.1% 0.103 31.5) |
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 #662015 | 11.78:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #662015 | 1.78:1 | Fails | Lc 7.6 | Not readable |
| #662015 text on white | 11.78:1 | AAA | Lc 96.2 | Preferred for body text |
| #662015 text on black | 1.78:1 | 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
#F4CFC8
oklch(88.4% 0.043 30.5)
-
Step 300
300
#EEAFA2
oklch(80.9% 0.077 31.9)
-
Step 400
400
#E38270
oklch(70.8% 0.123 31.5)
-
Step 500
500
#D85E49
oklch(63.1% 0.158 31.7)
-
Step 600
600
#C33F2B
oklch(55.5% 0.172 31.4)
-
Step 700
700
#A8301E
oklch(49.1% 0.159 31.5)
-
Step 800
800
#89291B
oklch(42.7% 0.133 31.2)
-
Step 900
900 (this color)
#662015
oklch(35.1% 0.103 31.5)
-
Step 950
950
#411811
oklch(27% 0.066 31.5)
#662015 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) | #342E13 | 0.107 |
| Deuteranopia (no green cones) | #453D13 | 0.097 |
| Tritanopia (no blue cones) | #710D1E | 0.038 |
| Achromatopsia (no color) | #383838 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662015
#662015
oklch(35.1% 0.103 31.5)
- #00434D
#00434D
oklch(35.1% 0.061 211.4)
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 #662015, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.026
- Chestnut #742802 ΔE 0.042
- Blood #770001 ΔE 0.044
- Claret #680018 ΔE 0.045
- Wine Red #7B0323 ΔE 0.057
- Maroon #800000 ΔE 0.058
- Burgundy #610023 ΔE 0.061
- Bordeaux #7B002C ΔE 0.067
Use #662015 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.