#66020A
Closest named color: Claret (#680018). oklch(32.3% 0.129 25.7), rgb(102, 2, 10).
Aa
White text reads best on this color (13.30:1).
About this color
#66020A is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.129 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.017 away. White text reads best on it, at 13.30:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.57:1 |
| White text | 13.30:1 |
Values
| HEX | #66020A |
| RGB | rgb(102, 2, 10) |
| HSL | hsl(355, 96%, 20%) |
| OKLCH | oklch(32.3% 0.129 25.7) |
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 #66020A | 13.30:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #66020A | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #66020A text on white | 13.30:1 | AAA | Lc 97.8 | Preferred for body text |
| #66020A text on black | 1.57:1 | 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 950.
-
Step 50
50
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FFE2DF
oklch(93.6% 0.032 24.8)
-
Step 200
200
#FFCAC5
oklch(88.4% 0.061 24.6)
-
Step 300
300
#FFA59C
oklch(80.9% 0.108 25.9)
-
Step 400
400
#FF6961
oklch(70.7% 0.185 25.9)
-
Step 500
500
#FF0728
oklch(63.1% 0.254 25.8)
-
Step 600
600
#D8001F
oklch(55.5% 0.226 25.8)
-
Step 700
700
#B70019
oklch(49.1% 0.199 25.7)
-
Step 800
800
#980012
oklch(42.8% 0.174 25.9)
-
Step 900
900
#80000E
oklch(37.8% 0.153 25.7)
-
Step 950
950 (this color)
#66020A
oklch(32.3% 0.129 25.7)
#66020A 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) | #272209 | 0.142 |
| Deuteranopia (no green cones) | #3E3705 | 0.129 |
| Tritanopia (no blue cones) | #710006 | 0.025 |
| Achromatopsia (no color) | #2F2F2F | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66020A
#66020A
oklch(32.3% 0.129 25.7)
- #003B41
#003B41
oklch(32.2% 0.055 206)
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 #66020A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.017
- Reddy Brown #6E1005 ΔE 0.028
- Burgundy #610023 ΔE 0.037
- Blood #770001 ΔE 0.040
- Wine Red #7B0323 ΔE 0.056
- Maroon #800000 ΔE 0.060
- Bordeaux #7B002C ΔE 0.064
- Mahogany #4A0100 ΔE 0.070
Use #66020A 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.