#A6366B
Closest named color: Light Burgundy (#A8415B). oklch(51.1% 0.155 354.9), rgb(166, 54, 107).
Aa
White text reads best on this color (6.24:1).
About this color
#A6366B is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.155 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.039 away. White text reads best on it, at 6.24:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.36:1 |
| White text | 6.24:1 |
Values
| HEX | #A6366B |
| RGB | rgb(166, 54, 107) |
| HSL | hsl(332, 51%, 43%) |
| OKLCH | oklch(51.1% 0.155 354.9) |
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 #A6366B | 6.24:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #A6366B | 3.36:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #A6366B text on white | 6.24:1 | AA | Lc 80.2 | Fine for body text |
| #A6366B text on black | 3.36:1 | AA large text | Lc -21.6 | Dividers and decoration only |
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 700.
-
Step 50
50
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F7E4EA
oklch(93.6% 0.022 356.3)
-
Step 200
200
#F1CEDA
oklch(88.4% 0.042 355.3)
-
Step 300
300
#E9ADC3
oklch(80.9% 0.075 355.1)
-
Step 400
400
#DB80A4
oklch(70.8% 0.12 355.4)
-
Step 500
500
#CE5C8E
oklch(63% 0.154 354.9)
-
Step 600
600
#B93F78
oklch(55.6% 0.166 355)
-
Step 700
700 (this color)
#A6366B
oklch(51.1% 0.155 354.9)
-
Step 800
800
#812953
oklch(42.7% 0.128 354.5)
-
Step 900
900
#682744
oklch(37.7% 0.099 355.1)
-
Step 950
950
#3D1728
oklch(26.8% 0.064 354.2)
#A6366B 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) | #49536C | 0.173 |
| Deuteranopia (no green cones) | #686868 | 0.155 |
| Tritanopia (no blue cones) | #B32D4C | 0.052 |
| Achromatopsia (no color) | #606060 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6366B
#A6366B
oklch(51.1% 0.155 354.9)
- #007863
#007863
oklch(51.1% 0.097 174.8)
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 #A6366B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.039
- Light Maroon #A24857 ΔE 0.055
- Violet Red #A50055 ΔE 0.058
- Deep Magenta #A0025C ΔE 0.060
- Dark Rose #B5485D ΔE 0.061
- Dark Fuchsia #9D0759 ΔE 0.062
- Raspberry #B00149 ΔE 0.062
- Red Violet #9E0168 ΔE 0.064
Use #A6366B 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.