#661A21
Closest named color: Claret (#680018). oklch(34.6% 0.108 19.9), rgb(102, 26, 33).
Aa
White text reads best on this color (12.10:1).
About this color
#661A21 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.108 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.030 away. White text reads best on it, at 12.10:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.73:1 |
| White text | 12.10:1 |
Values
| HEX | #661A21 |
| RGB | rgb(102, 26, 33) |
| HSL | hsl(354, 59%, 25%) |
| OKLCH | oklch(34.6% 0.108 19.9) |
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 #661A21 | 12.10:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #661A21 | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #661A21 text on white | 12.10:1 | AAA | Lc 96.7 | Preferred for body text |
| #661A21 text on black | 1.73:1 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#F9E4E3
oklch(93.5% 0.023 20.9)
-
Step 200
200
#F6CECD
oklch(88.5% 0.045 19.7)
-
Step 300
300
#F1ACAB
oklch(80.9% 0.082 19.9)
-
Step 400
400
#E67D7F
oklch(70.7% 0.13 19.7)
-
Step 500
500
#DB575F
oklch(63% 0.166 19.6)
-
Step 600
600
#C73745
oklch(55.7% 0.18 20.1)
-
Step 700
700
#AB2737
oklch(49.1% 0.167 19.8)
-
Step 800
800
#8B232E
oklch(42.7% 0.139 19.7)
-
Step 900
900 (this color)
#661A21
oklch(34.6% 0.108 19.9)
-
Step 950
950
#421618
oklch(27% 0.068 20.2)
#661A21 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) | #2F2C21 | 0.117 |
| Deuteranopia (no green cones) | #423C1F | 0.108 |
| Tritanopia (no blue cones) | #70051D | 0.028 |
| Achromatopsia (no color) | #363636 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661A21
#661A21
oklch(34.6% 0.108 19.9)
- #004245
#004245
oklch(34.5% 0.059 199.9)
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 #661A21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.030
- Reddy Brown #6E1005 ΔE 0.031
- Burgundy #610023 ΔE 0.041
- Blood #770001 ΔE 0.045
- Wine Red #7B0323 ΔE 0.047
- Bordeaux #7B002C ΔE 0.052
- Merlot #730039 ΔE 0.058
- Chestnut #742802 ΔE 0.059
Use #661A21 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.