#661B27
Closest named color: Claret (#680018). oklch(34.8% 0.107 15.5), rgb(102, 27, 39).
Aa
White text reads best on this color (11.99:1).
About this color
#661B27 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.107 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.033 away. White text reads best on it, at 11.99:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.107) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.75:1 |
| White text | 11.99:1 |
Values
| HEX | #661B27 |
| RGB | rgb(102, 27, 39) |
| HSL | hsl(350, 58%, 25%) |
| OKLCH | oklch(34.8% 0.107 15.5) |
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 #661B27 | 11.99:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #661B27 | 1.75:1 | Fails | Lc 7.3 | Not readable |
| #661B27 text on white | 11.99:1 | AAA | Lc 96.6 | Preferred for body text |
| #661B27 text on black | 1.75:1 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#F9E4E5
oklch(93.6% 0.023 14.3)
-
Step 200
200
#F5CECF
oklch(88.5% 0.044 16.3)
-
Step 300
300
#F0ACAF
oklch(80.9% 0.08 16.1)
-
Step 400
400
#E57D86
oklch(70.7% 0.128 15.4)
-
Step 500
500
#DA5768
oklch(63.1% 0.164 15.3)
-
Step 600
600
#C53750
oklch(55.6% 0.178 15.3)
-
Step 700
700
#AA2840
oklch(49.2% 0.165 15.8)
-
Step 800
800
#8A2335
oklch(42.7% 0.137 15.5)
-
Step 900
900 (this color)
#661B27
oklch(34.8% 0.107 15.5)
-
Step 950
950
#41161B
oklch(26.9% 0.067 15.7)
#661B27 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) | #2E2D27 | 0.118 |
| Deuteranopia (no green cones) | #413C25 | 0.108 |
| Tritanopia (no blue cones) | #700920 | 0.027 |
| Achromatopsia (no color) | #373737 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661B27
#661B27
oklch(34.8% 0.107 15.5)
- #004344
#004344
oklch(34.7% 0.059 196.5)
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 #661B27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.033
- Reddy Brown #6E1005 ΔE 0.038
- Burgundy #610023 ΔE 0.040
- Wine Red #7B0323 ΔE 0.046
- Bordeaux #7B002C ΔE 0.049
- Blood #770001 ΔE 0.050
- Merlot #730039 ΔE 0.052
- Chestnut #742802 ΔE 0.063
Use #661B27 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.