#660607
Closest named color: Claret (#680018). oklch(32.5% 0.127 27.8), rgb(102, 6, 7).
Aa
White text reads best on this color (13.17:1).
About this color
#660607 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.127 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.021 away. White text reads best on it, at 13.17:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.59:1 |
| White text | 13.17:1 |
Values
| HEX | #660607 |
| RGB | rgb(102, 6, 7) |
| HSL | hsl(359, 89%, 21%) |
| OKLCH | oklch(32.5% 0.127 27.8) |
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 #660607 | 13.17:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #660607 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #660607 text on white | 13.17:1 | AAA | Lc 97.8 | Preferred for body text |
| #660607 text on black | 1.59:1 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E0
oklch(93.5% 0.028 25.9)
-
Step 200
200
#FACDC6
oklch(88.5% 0.052 28.5)
-
Step 300
300
#F8A99F
oklch(80.9% 0.095 27.3)
-
Step 400
400
#F0776A
oklch(70.7% 0.151 27.8)
-
Step 500
500
#E74B41
oklch(63% 0.194 27.7)
-
Step 600
600
#D31F1F
oklch(55.6% 0.212 27.7)
-
Step 700
700
#B60910
oklch(49.1% 0.197 27.8)
-
Step 800
800
#941212
oklch(42.7% 0.163 27.7)
-
Step 900
900 (this color)
#660607
oklch(32.5% 0.127 27.8)
-
Step 950
950
#46120E
oklch(27% 0.081 28.1)
#660607 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) | #292305 | 0.138 |
| Deuteranopia (no green cones) | #3F3702 | 0.125 |
| Tritanopia (no blue cones) | #710008 | 0.025 |
| Achromatopsia (no color) | #303030 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #660607
#660607
oklch(32.5% 0.127 27.8)
- #003C43
#003C43
oklch(32.6% 0.056 207.7)
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 #660607, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.021
- Reddy Brown #6E1005 ΔE 0.024
- Blood #770001 ΔE 0.038
- Burgundy #610023 ΔE 0.041
- Wine Red #7B0323 ΔE 0.057
- Maroon #800000 ΔE 0.059
- Bordeaux #7B002C ΔE 0.065
- Chestnut #742802 ΔE 0.069
Use #660607 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.